Federal contractor profile
MASS TANK INSPECTION SERVICES LLC
UEI VYAMHABZC7Q9CAGE 6VHW7Company website ↗
Active
Veteran Owned BusinessService Disabled Veteran Owned BusinessSmall Business
Overview
- Legal name
- MASS TANK INSPECTION SERVICES LLC
- Registered location
- MIDDLEBORO, MA, USA
- Website
- Company website ↗
- Primary NAICS
- 541620 — Environmental Consulting Services
- Latest award activity
- Sep 2, 2026
Read company summary
MASS TANK INSPECTION SERVICES LLC is associated with UEI VYAMHABZC7Q9 and CAGE 6VHW7 in public federal records. AcornBids currently links 35 prime awards totaling $6.9M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Veterans Affairs. Its recorded federal awards include work classified as Remediation Services; Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance; Oil and Gas Pipeline and Related Structures Construction. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541620 (Environmental Consulting Services). Its public SAM.gov registration lists MIDDLEBORO, MA, USA.
At a glance
Lifetime prime obligations$6.9M
Prime awards35
Awards with future end dates12
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 6, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- MASS TANK INSPECTION SERVICES LLC
- UEI
- VYAMHABZC7Q9
- CAGE
- 6VHW7
- Registered address
- 29 ABBEY LN, MIDDLEBORO, MA, 02346, USA
- Registration status
- Active
- Primary NAICS
- 541620 — Environmental Consulting Services
- SAM activation
- Jul 16, 2026
- Initial registration
- Mar 27, 2013
- Entity start
- Oct 1, 2012
- SAM updated
- Jul 16, 2026
- Registration expires
- Jul 14, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- MA, USA
Research brief
Source facts
- Loaded prime-award records link 35 awards and $6,942,507 in reported obligations to this legal entity. Source
- Recorded awards include Remediation Services (NAICS 562910); this classification is not proof of every company capability. Source
- An example award describes: FUEL STORAGE TANK TESTING AND REPAIRS/UPGRADES - BASE PLUS 4 OPTION YEARS Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$3.4M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 35 of 35 selected awards. Select a period to explore its awards.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 36C25725P0255FUEL STORAGE TANK TESTING AND REPAIRS/UPGRADES - BASE PLUS 4 OPTION YEARS | Department of Veterans Affairs | $180.2K | Apr 1, 2025 | Mar 31, 2027 |
| 36C24223C0100TANK AND UNDERGROUND PIPE MONITORING, INSPECTION, MAINTENANCE REGULATORY COMPLIANCE, EMERGENCY RESPONSE AND RELATED SERVICES | Department of Veterans Affairs | $1.2M | Apr 1, 2023 | Mar 31, 2027 |
| 36C25924C0115FUEL STORAGE TANK INSPECTION AND FUEL POLISHING | Department of Veterans Affairs | $267.9K | Jul 22, 2024 | Jul 21, 2028 |
| 70Z05226PCCOD0098ANNUAL TANK INSPECTIONS | Department of Homeland Security | $19.8K | Jul 15, 2026 | Jul 15, 2026 |
| 36C26324P0800UST/AST INSPECTION - NWI | Department of Veterans Affairs | $64.6K | Jun 1, 2024 | May 31, 2027 |
| 36C26323P0117UST INSPECTION AND MAINTENANCE | Department of Veterans Affairs | $50.4K | Nov 28, 2022 | Nov 27, 2026 |
| 36C26322P0565FUEL TANK TESTING & INSPECTION | Department of Veterans Affairs | $36.3K | May 15, 2022 | May 14, 2023 |
| 36C24426P0132WATER TOWER INSPECTION AND REPAIR | Department of Veterans Affairs | $60.6K | Mar 4, 2026 | Mar 3, 2027 |
| 15B21826P00000050FY26 ABOVE GROUND TANK INSPECTION | Department of Justice | $3.8K | Jun 10, 2026 | Sep 30, 2026 |
| 36C24126P0081OIL TANK INSPECTION CLEANING SERVICES | Department of Veterans Affairs | $152.5K | Mar 15, 2026 | Jun 15, 2026 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 16, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Mar 27, 2013 |
| Entity start | Oct 1, 2012 |
Registration classifications: Veteran Owned Business, Service Disabled Veteran Owned Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 213112 — Support Activities for Oil and Gas Operations | Not reported |
| 236220 — Commercial and Institutional Building Construction | Not reported |
| 237110 — Water and Sewer Line and Related Structures Construction | Not reported |
| 237120 — Oil and Gas Pipeline and Related Structures Construction | Not reported |
| 238320 — Painting and Wall Covering Contractors | Not reported |
| 238990 — All Other Specialty Trade Contractors | Not reported |
| 326199 — All Other Plastics Product Manufacturing | Not reported |
| 332420 — Metal Tank (Heavy Gauge) Manufacturing | Not reported |
| 541330 — Engineering Services | Not reported |
| 541350 — Building Inspection Services | Not reported |
| 541380 — Testing Laboratories and Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561730 — Landscaping Services | Not reported |
| 561790 — Other Services to Buildings and Dwellings | Not reported |
| 561990 — All Other Support Services | Not reported |
| 562910 — Remediation Services | Not reported |
| 562991 — Septic Tank and Related Services | Not reported |
| 562998 — All Other Miscellaneous Waste Management Services | Not reported |
| 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| CARL C HORSTMANN | Government business | Contact method not published | SAM registration | Not available |
| CARL C HORSTMANN | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 213112 — Support Activities for Oil and Gas Operations
- 236220 — Commercial and Institutional Building Construction
- 237110 — Water and Sewer Line and Related Structures Construction
- 237120 — Oil and Gas Pipeline and Related Structures Construction
- 238320 — Painting and Wall Covering Contractors
- 238990 — All Other Specialty Trade Contractors
- 326199 — All Other Plastics Product Manufacturing
- 332420 — Metal Tank (Heavy Gauge) Manufacturing
- 541330 — Engineering Services
- 541350 — Building Inspection Services
- 541380 — Testing Laboratories and Services
- 541620 — Environmental Consulting Services
- 541990 — All Other Professional, Scientific, and Technical Services
- 561210 — Facilities Support Services
- 561730 — Landscaping Services
- 561790 — Other Services to Buildings and Dwellings
- 561990 — All Other Support Services
- 562910 — Remediation Services
- 562991 — Septic Tank and Related Services
- 562998 — All Other Miscellaneous Waste Management Services
- 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Registered products and services
- 3835 — Petroleum Production and Distribution Equipment
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About MASS TANK INSPECTION SERVICES LLC
What products and services appear in its federal awards?
Recorded award industries: 562910 — Remediation Services; 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance; 237120 — Oil and Gas Pipeline and Related Structures Construction.
Recorded products and services: J091 — Maintenance, Repair and Rebuilding of Equipment: Fuels, Lubricants, Oils, and Waxes; H299 — Equipment and Materials Testing: Miscellaneous; R499 — Other Professional Services.
Examples from recent award records:
- FUEL STORAGE TANK TESTING AND REPAIRS/UPGRADES - BASE PLUS 4 OPTION YEARS
- TANK AND UNDERGROUND PIPE MONITORING, INSPECTION, MAINTENANCE REGULATORY COMPLIANCE, EMERGENCY RESPONSE AND RELATED SERVICES
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
29 ABBEY LN, MIDDLEBORO, Massachusetts 02346, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
541620 — Environmental Consulting Services.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Department of Veterans Affairs; Department of Defense; Department of the Interior.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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