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LLC · New Haven, CT

GUNTERMANN ENGINEERING LLC

LLC in New Haven, Connecticut · Document #0891541 · Forfeited

Record reference date: October 20, 2026

Details may be incomplete or outdated. “Not reported” means a usable value is unavailable.

About this record

GUNTERMANN ENGINEERING LLC is a forfeited Connecticut limited liability company filed on March 8, 2007 (document 0891541). Its registered agent is ALFRED GUNTERMANN.

Registration details

Status
ForfeitedRecord reference date: October 20, 2026
Entity type
Limited Liability Company
Filed
March 8, 2007Reported filing date
Document number
0891541
Registration jurisdiction
Connecticut
Principal city + ZIP
New Haven, CT 06511
Registered agent
ALFRED GUNTERMANN
Address
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511

Registered agent and officers

Names and roles are reported on filings; matching names do not establish identity or ownership.

Registered agent
ALFRED GUNTERMANN
Principal
ALFRED GUNTERMANN

What this status means / annual report due date

Connecticut reports forfeited 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
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-11-02 00:16:09.6200000

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-24

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-24 00:15:57.6133333

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-23

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-23 00:15:55.2700000

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-22

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-22 00:16:28.3500000

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-21

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-21 00:16:26.2466667

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-20

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-20 00:16:21.9666667

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Record reference date: 2026-10-18

Directory details

Names

Legal
GUNTERMANN ENGINEERING LLC

Entity

Type
Limited liability company

Registration

Status
Forfeited
Number
0891541
Citizenship
Domestic
Formation Place
CT
Home Jurisdiction
CT
Administrative Dissolution Reason
Failure to file Annual Report

Addresses

Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Postal Code
06511
Business · Region
CT
Mailing · Text
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

Contacts

Business Email
aguntermann@snet.net

Dates

Registration
2007-03-08

Self Reported Characteristics

Woman Owned
No
Veteran Owned
No
Minority Owned
No
Disability Owned
No
Lgbtqi Owned
No

Additional reported values

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-18 00:17:03.6800000

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

IRS reported fields and codes

Organization is LGBTQI Owned
false

Download directory record (JSON)

All retained directory fields

Other reported details

Id
14733050
Slug
guntermann-engineering-llc-0891541
Entity type
Limited Liability Company
Entity class
llc
Is foreign
0
Registry
CT
Doc number
0891541
Filed on
2007-03-08
Status
Forfeited
Is active
0
Domicile
CT
Status known
1
Observed at
2026-10-21T07:22:48.934593+00:00

Addresses and locations

State
CT
City slug
new-haven
Address
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511
Zip
06511
Location state
CT

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC
City name
New Haven

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
GUNTERMANN ENGINEERING LLC

Complete business master fields

Other reported details

Id
001t000000WnImaAAF
Business Type
LLC
Status
Forfeited
Account Number
0891541
Citizenship
Domestic
Date Registration
03/08/2007
Formation Place
CT
Woman Owned Organization
false
Veteran Owned Organization
false
Minority Owned Organization
false
Org Owned by Person s with disabilities
false
Reason for Administrative Dissolution
Failure to file Annual Report
CREATE DT
2026-10-18 00:17:03.6800000

Names and reported roles

Name
GUNTERMANN ENGINEERING LLC

Addresses and locations

Business Street
600 PROSPECT ST #A7
Business City
NEW HAVEN
Business ZIP
06511
Business State
CT
State or Territory Formation
Connecticut

Mailing information

Business Email Address
aguntermann@snet.net
Mailing Address
600 PROSPECT ST #A7 , ,NEW HAVEN ,CT , ,06511

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
ALFRED GUNTERMANNFind records reporting this name →

Parsed registry details

Parties

Reported · Source Type
Individual
Reported · Name
ALFRED GUNTERMANN
Reported · Given Name
ALFRED
Reported · Family Name
GUNTERMANN

Contacts

Agent Email
aguntermann@snet.net

Addresses

Business · Text
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511, United States
Business · Street 1
600 PROSPECT ST #A7
Business · City
New Haven
Business · Region
CT
Business · Postal Code
06511
Business · Country
US
Residence · Street 2
600 PROSPECT ST. #A7
Residence · City
New Haven
Residence · Region
CT
Residence · Postal Code
06511
Residence · Country
US

ALFRED GUNTERMANN

Other reported details

Business ID
001t000000WnImaAAF
Business ID
0891541
Reported type
Individual
Record timestamp
2026-10-18 00:32:15.3666667

Names and reported roles

Reported name
ALFRED GUNTERMANN
Firstname
ALFRED
Lastname
GUNTERMANN

Registered agent information

Registered agent email
aguntermann@snet.net

Addresses and locations

Business address
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511, United States
Business street address 1
600 PROSPECT ST #A7
Business city
NEW HAVEN
Business state
CT
Business zip code
06511
Business country
United States

Reported residence addresses

Residence street address 1
600 PROSPECT ST. #A7
Residence city
NEW HAVEN
Residence state
CT
Residence zip code
06511
Residence country
United States

Showing 1–1 of 1.

Principals (1)

Reported name and role

Roles are shown as reported. Agents, officers and principals are not automatically owners.

Principals and members

Principal
ALFRED GUNTERMANNFind records reporting this name →

Parsed registry details

Parties

Reported · Name
ALFRED GUNTERMANN
Reported · Given Name
ALFRED
Reported · Family Name
GUNTERMANN

Addresses

Business · Street 1
600 PROSPECT ST
Business · Street 2
#A7
Business · City
New Haven
Business · Region
CT
Business · Postal Code
06511
Business · Country
US
Residence · Text
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511, United States
Residence · Street 2
600 PROSPECT ST #A7
Residence · City
New Haven
Residence · Region
CT
Residence · Postal Code
06511
Residence · Country
US

ALFRED GUNTERMANN

Other reported details

Business ID
001t000000WnImaAAF
Record timestamp
2026-10-18 00:42:09.7600000

Names and reported roles

Reported name
ALFRED GUNTERMANN
Firstname
ALFRED
Lastname
GUNTERMANN

Addresses and locations

Business street address 1
600 PROSPECT ST
Business street address 2
#A7
Business city
NEW HAVEN
Business state
CT
Business zip code
06511
Business country
United States

Reported residence addresses

Residence address
600 PROSPECT ST #A7, NEW HAVEN, CT, 06511, United States
Residence street address 1
600 PROSPECT ST #A7
Residence city
NEW HAVEN
Residence state
CT
Residence zip code
06511
Residence country
United States

Showing 1–1 of 1.

Filing history (5)

Parsed registry details

Filing

Name
BF-0010948249
Source Type
Administrative Dissolution
Type
Certificate of Dissolution/Revocation
Physical Filing
No

Dates

Filing
2022-08-02

BF-0010948249 · 2022-08-02

Other reported details

Business ID
001t000000WnImaAAF
Filing date
2022-08-02T00:00:00.000
Reported type
Administrative Dissolution
Filing type
Certificate of Dissolution/Revocation
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0010948249

Parsed registry details

Filing

Name
BF-0010576642
Source Type
Administrative Dissolution
Type
Notice of Intent to Dissolve/Revoke
Physical Filing
No

Dates

Filing
2022-05-03

BF-0010576642 · 2022-05-03

Other reported details

Business ID
001t000000WnImaAAF
Filing date
2022-05-03T00:00:00.000
Reported type
Administrative Dissolution
Filing type
Notice of Intent to Dissolve/Revoke
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
BF-0010576642

Parsed registry details

Filing

Name
0003914835
Source Type
Annual Report
Type
Annual Report
Report Year
2009
Volume
1276
Volume Type
B
Page Count
2
Start Page
2033
Physical Filing
No

Dates

Filing
2009-04-22

0003914835 · 2009-04-22

Other reported details

Business ID
001t000000WnImaAAF
Filing date
2009-04-22T00:00:00.000
Reported type
Annual Report
Filing type
Annual Report
Report year
2009
Volume
1276
Volume type
B
Pages
2
Start page
2033
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
0003914835

Parsed registry details

Filing

Name
0003675964
Source Type
Annual Report
Type
Annual Report
Report Year
2008
Volume
1153
Volume Type
B
Page Count
2
Start Page
344
Physical Filing
No

Dates

Filing
2008-04-01

0003675964 · 2008-04-01

Other reported details

Business ID
001t000000WnImaAAF
Filing date
2008-04-01T00:00:00.000
Reported type
Annual Report
Filing type
Annual Report
Report year
2008
Volume
1153
Volume type
B
Pages
2
Start page
344
Physical filing
false
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
0003675964

Parsed registry details

Filing

Name
0003409081
Source Type
Business Formation
Type
Certificate of Organization
Volume
1016
Volume Type
B
Page Count
1
Start Page
2154
Physical Filing
Yes

Dates

Filing
2007-03-08

0003409081 · 2007-03-08

Other reported details

Business ID
001t000000WnImaAAF
Filing date
2007-03-08T00:00:00.000
Reported type
Business Formation
Filing type
Certificate of Organization
Volume
1016
Volume type
B
Pages
1
Start page
2154
Physical filing
true
Record timestamp
2026-10-01T00:00:00.000

Names and reported roles

Name
0003409081

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