Corporation · Connecticut registry
KNUDSEN-BYRON, INC.
Inc. in Location not reported, Connecticut · Document #0088872 · Merged
Record reference date: October 18, 2026
Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.
About this record
KNUDSEN-BYRON, INC. is a merged Connecticut stock corporation filed on April 30, 1958 (document 0088872). Its registered agent is WILLIAM H. KNUDSEN.
Registration details
- Status
- MergedRecord reference date: October 18, 2026
- Entity type
- Stock Corporation
- Filed
- April 30, 1958Reported filing date
- Document number
- 0088872
- Registration jurisdiction
- Connecticut
- Principal city + ZIP
- Connecticut registry
- Registered agent
- WILLIAM H. KNUDSEN
- Address
- No information provided
Registered agent and officers
Names and roles are reported on filings; matching names do not establish identity or ownership.
- Registered agent
- WILLIAM H. KNUDSEN
What this status means / annual report due date
Connecticut reports merged status. This describes the registration record; the exact effect depends on the entity type and reason recorded. A past listing does not establish current authority to operate.
Connecticut LLC annual reports are filed January 1 through March 31, starting in the year after registration. Other entity types can have different reporting schedules.
Additional business details
View historical details and available fields
Historical values may differ from the registration summary.
Record reference date: 2026-11-02
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-11-02 00:19:56.1733333
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-24
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-24 00:19:37.4066667
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-23
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-23 00:19:37.7033333
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-22
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-22 00:20:23.2766667
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-21
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-21 00:20:11.8100000
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-20
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-20 00:20:15.6333333
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Record reference date: 2026-10-18
Directory details
Names
- Legal
- KNUDSEN-BYRON, INC.
Entity
- Type
- Stock
Registration
- Status
- Merged
- Number
- 0088872
- Citizenship
- Domestic
- Formation Place
- CT
- Home Jurisdiction
- CT
Addresses
- Business · Street 1
- No information provided
- Mailing · Text
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
Dates
- Registration
- 1958-04-30
Self Reported Characteristics
- Woman Owned
- No
- Veteran Owned
- No
- Minority Owned
- No
- Disability Owned
- No
- Lgbtqi Owned
- No
Capital
- Authorized Shares
- 50000
Additional reported values
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-18 00:21:12.5900000
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Download directory record (JSON)
All retained directory fields
Other reported details
- Id
- 14271774
- Slug
- knudsen-byron-inc-0088872
- Entity type
- Stock Corporation
- Entity class
- corp
- Is foreign
- 0
- Registry
- CT
- Doc number
- 0088872
- Filed on
- 1958-04-30
- Status
- Merged
- Is active
- 0
- Domicile
- CT
- Status known
- 1
- Observed at
- 2026-10-18T19:49:17.610236+00:00
Addresses and locations
- State
- CT
- City slug
- location-not-reported
- Address
- No information provided
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
- City name
- Location not reported
Additional Connecticut registry details
Linked through the registry’s business ID. Agents and principals are reported roles and do not establish beneficial ownership. Contact and residence addresses are labeled as reported.
Record reference date: 2026-10-18.
Registered and alternate business names
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- Registered name
- KNUDSEN-BYRON, INC.
Complete business master fields
Other reported details
- Id
- 001t000000Xft2HAAR
- Business Type
- Stock
- Status
- Merged
- Account Number
- 0088872
- Citizenship
- Domestic
- Date Registration
- 04/30/1958
- Formation Place
- CT
- Woman Owned Organization
- false
- Veteran Owned Organization
- false
- Minority Owned Organization
- false
- Org Owned by Person s with disabilities
- false
- Total Authorized Shares
- 50000
- CREATE DT
- 2026-10-18 00:21:12.5900000
Names and reported roles
- Name
- KNUDSEN-BYRON, INC.
Addresses and locations
- Business Street
- No information provided
- State or Territory Formation
- Connecticut
Mailing information
- Mailing Address
- 250 EAST STATE ST , ,WESTPORT ,CT , ,06880
IRS reported fields and codes
- Organization is LGBTQI Owned
- false
Registered agents (1)
Reported name and role
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Registered agents
- Registered agent
- WILLIAM H. KNUDSENFind records reporting this name →
Parsed registry details
Parties
- Reported · Source Type
- Individual
- Reported · Name
- WILLIAM H. KNUDSEN
- Reported · Given Name
- WILLIAM H.
- Reported · Family Name
- KNUDSEN
Addresses
- Business · Text
- 777 SUMMER ST, STAMFORD, CT, 06901, United States
- Business · Street 1
- 777 SUMMER ST
- Business · City
- Stamford
- Business · Region
- CT
- Business · Postal Code
- 06901
- Business · Country
- US
- Residence · Street 2
- 181 HEMLOCK DRIVE
- Residence · City
- Stamford
- Residence · Region
- CT
- Residence · Postal Code
- 06902
- Residence · Country
- US
WILLIAM H. KNUDSEN
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Business ID
- 0088872
- Reported type
- Individual
- Record timestamp
- 2026-10-18 00:34:21.1900000
Names and reported roles
- Reported name
- WILLIAM H. KNUDSEN
- Firstname
- WILLIAM H.
- Lastname
- KNUDSEN
Addresses and locations
- Business address
- 777 SUMMER ST, STAMFORD, CT, 06901, United States
- Business street address 1
- 777 SUMMER ST
- Business city
- STAMFORD
- Business state
- CT
- Business zip code
- 06901
- Business country
- United States
Reported residence addresses
- Residence street address 1
- 181 HEMLOCK DRIVE
- Residence city
- STAMFORD
- Residence state
- CT
- Residence zip code
- 06902
- Residence country
- United States
Showing 1–1 of 1.
Filing history (9)
Parsed registry details
Filing
- Name
- 0000499141
- Source Type
- Merger
- Type
- Certificate of Merger
- Volume
- 8010
- Volume Type
- C
- Page Count
- 0
- Start Page
- 584
- Physical Filing
- No
Dates
- Filing
- 1970-04-29
0000499141 · 1970-04-29
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1970-04-29T00:00:00.000
- Reported type
- Merger
- Filing type
- Certificate of Merger
- Volume
- 8010
- Volume type
- C
- Pages
- 0
- Start page
- 584
- Physical filing
- false
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000499141
Parsed registry details
Filing
- Name
- 0000499130
- Source Type
- Change of Agent Address
- Type
- Agent Address Change
- Volume
- 7650
- Volume Type
- C
- Page Count
- 0
- Start Page
- 1173
- Physical Filing
- Yes
Dates
- Filing
- 1969-06-19
0000499130 · 1969-06-19
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1969-06-19T00:00:00.000
- Reported type
- Change of Agent Address
- Filing type
- Agent Address Change
- Volume
- 7650
- Volume type
- C
- Pages
- 0
- Start page
- 1173
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000499130
Parsed registry details
Filing
- Name
- 0000986112
- Source Type
- Amendment
- Type
- Amend Name
- Volume
- 7650
- Volume Type
- C
- Page Count
- 0
- Start Page
- 646
- Physical Filing
- Yes
Dates
- Filing
- 1969-06-11
0000986112 · 1969-06-11
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1969-06-11T00:00:00.000
- Reported type
- Amendment
- Filing type
- Amend Name
- Volume
- 7650
- Volume type
- C
- Pages
- 0
- Start page
- 646
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000986112
Parsed registry details
Filing
- Name
- 0000499129
- Source Type
- Change of Agent Address
- Type
- Agent Address Change
- Volume
- 7650
- Volume Type
- C
- Page Count
- 0
- Start Page
- 646
- Physical Filing
- Yes
Dates
- Filing
- 1969-06-11
0000499129 · 1969-06-11
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1969-06-11T00:00:00.000
- Reported type
- Change of Agent Address
- Filing type
- Agent Address Change
- Volume
- 7650
- Volume type
- C
- Pages
- 0
- Start page
- 646
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000499129
Parsed registry details
Filing
- Name
- 0000986113
- Source Type
- Amendment
- Type
- Amend Name
- Volume
- 6120
- Volume Type
- C
- Page Count
- 0
- Start Page
- 704
- Physical Filing
- Yes
Dates
- Filing
- 1961-08-30
0000986113 · 1961-08-30
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1961-08-30T00:00:00.000
- Reported type
- Amendment
- Filing type
- Amend Name
- Volume
- 6120
- Volume type
- C
- Pages
- 0
- Start page
- 704
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000986113
Parsed registry details
Filing
- Name
- 0000986114
- Source Type
- Amendment
- Type
- Amend Name
- Volume
- 6050
- Volume Type
- C
- Page Count
- 0
- Start Page
- 106
- Physical Filing
- Yes
Dates
- Filing
- 1961-02-20
0000986114 · 1961-02-20
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1961-02-20T00:00:00.000
- Reported type
- Amendment
- Filing type
- Amend Name
- Volume
- 6050
- Volume type
- C
- Pages
- 0
- Start page
- 106
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000986114
Parsed registry details
Filing
- Name
- 0000552765
- Source Type
- First Report
- Type
- Organization and First Report
- Volume
- 5400
- Volume Type
- C
- Page Count
- 0
- Start Page
- 657
- Physical Filing
- Yes
Dates
- Filing
- 1958-05-05
0000552765 · 1958-05-05
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1958-05-05T00:00:00.000
- Reported type
- First Report
- Filing type
- Organization and First Report
- Volume
- 5400
- Volume type
- C
- Pages
- 0
- Start page
- 657
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000552765
Parsed registry details
Filing
- Name
- 0000552764
- Source Type
- Business Formation
- Type
- Certificate of Incorporation
- Volume
- 5400
- Volume Type
- C
- Page Count
- 0
- Start Page
- 400
- Physical Filing
- Yes
Dates
- Filing
- 1958-04-30
0000552764 · 1958-04-30
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Filing date
- 1958-04-30T00:00:00.000
- Reported type
- Business Formation
- Filing type
- Certificate of Incorporation
- Volume
- 5400
- Volume type
- C
- Pages
- 0
- Start page
- 400
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000552764
Parsed registry details
Filing
- Name
- 0000499132
- Source Type
- Annual Report
- Type
- Annual Report
- Report Year
- 1958
- Physical Filing
- Yes
0000499132
Other reported details
- Business ID
- 001t000000Xft2HAAR
- Reported type
- Annual Report
- Filing type
- Annual Report
- Report year
- 1958
- Physical filing
- true
- Record timestamp
- 2026-10-01T00:00:00.000
Names and reported roles
- Name
- 0000499132
Showing 1–9 of 9.
Name history (3)
Business name change
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- Former business name
- MARK BYRON, INC.
- New business name
- KNUDSEN-BYRON, INC.
Parsed registry details
Names
- Former
- MARK BYRON, INC.
- New
- KNUDSEN-BYRON, INC.
Dates
- Name Change
- 1969-06-11
KNUDSEN-BYRON, INC. · 1969-06-11
Other reported details
- Business ID
- 001t000000Xft2HAAR
Names and reported roles
- Business name old
- MARK BYRON, INC.
- Business name new
- KNUDSEN-BYRON, INC.
- Name change date
- 06/11/1969 12:00:00 AM
Business name change
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- Former business name
- BYRON & CARR, INC.
- New business name
- MARK BYRON, INC.
Parsed registry details
Names
- Former
- BYRON & CARR, INC.
- New
- MARK BYRON, INC.
Dates
- Name Change
- 1961-08-30
MARK BYRON, INC. · 1961-08-30
Other reported details
- Business ID
- 001t000000Xft2HAAR
Names and reported roles
- Business name old
- BYRON & CARR, INC.
- Business name new
- MARK BYRON, INC.
- Name change date
- 08/30/1961 12:00:00 AM
Business name change
Roles are shown as reported. Agents, officers and principals are not automatically owners.
Business names
- Former business name
- MARK BYRON, INC.
- New business name
- BYRON & CARR, INC.
Parsed registry details
Names
- Former
- MARK BYRON, INC.
- New
- BYRON & CARR, INC.
Dates
- Name Change
- 1961-02-20
BYRON & CARR, INC. · 1961-02-20
Other reported details
- Business ID
- 001t000000Xft2HAAR
Names and reported roles
- Business name old
- MARK BYRON, INC.
- Business name new
- BYRON & CARR, INC.
- Name change date
- 02/20/1961 12:00:00 AM
Showing 1–3 of 3.
Same registered agent
| Business | Type | Filed |
|---|---|---|
| KNUDSEN INTERNATIONAL MARKETING CORPORATION | Corporation | Mar 11, 1971 |
| W & J K, INC. | Corporation | Jan 16, 1964 |