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Federal contractor profile

AMERICAN TRADING SERVICES, INC

UEI ELXQSV44FZJ5CAGE 0RU85Company website ↗

Active
Small Business

Overview

Legal name
AMERICAN TRADING SERVICES, INC
Also known as
RAILSUPPLY
Registered location
WALDORF, MD, USA
Website
Company website ↗
Primary NAICS
423860 — Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
Latest award activity
Jun 2, 2026
Read company summary

AMERICAN TRADING SERVICES, INC is associated with UEI ELXQSV44FZJ5 and CAGE 0RU85 in public federal records. AcornBids currently links 31 prime awards totaling $607.7K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing; All Other Miscellaneous Fabricated Metal Product Manufacturing; Semiconductor and Related Device Manufacturing. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 423860 (Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers). Its public SAM.gov registration lists WALDORF, MD, USA.

At a glance

Lifetime prime obligations$607.7K
Prime awards31
Awards with future end dates0
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 14, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
AMERICAN TRADING SERVICES, INC
Doing business as
RAILSUPPLY
UEI
ELXQSV44FZJ5
CAGE
0RU85
Registered address
3435 ROCKEFELLER CT, WALDORF, MD, 20602, USA
Registration status
Active
Primary NAICS
423860 — Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
SAM activation
Nov 3, 2025
Initial registration
Sep 18, 2007
Entity start
Aug 8, 1991
SAM updated
Nov 3, 2025
Registration expires
Oct 30, 2026
Fiscal year end
Dec 31
Place of incorporation
MD, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 31 awards and $607,738 in reported obligations to this legal entity. Source
  • Recorded awards include Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (NAICS 333415); this classification is not proof of every company capability. Source
  • An example award describes: 8512155078!COVER,AIRCRAFT GROU Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$340.1K
Prime contracts
$5.8KFY2016$14.5KFY2017$0FY2019$0FY2022$23.3KFY2025$296.5KFY2026

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 31 of 31 selected awards. Select a period to explore its awards.

Explore funding & geography →View quarterly funding

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
SPE8EF26P02808512155078!COVER,AIRCRAFT GROUDepartment of Defense$26.3KJun 2, 2026Aug 11, 2026
SPE7L326P32798512032391!CYLINDER ASSEMBLY,ADepartment of Defense$16.3KMay 28, 2026Aug 26, 2026
SPE7L126F76668512097660!OIL PANDepartment of Defense$2.8KMay 7, 2026Sep 4, 2026
SPE7L126F77958512098867!OIL PANDepartment of Defense$5.6KMay 7, 2026Sep 4, 2026
SPE4A726P61478511889963!RECLAIMER,REFRIGERADepartment of Defense$7.9KFeb 10, 2026Apr 29, 2026
SPE7M126F17578511906557!WHEEL ASSEMBLY,DESIDepartment of Defense$55.0KFeb 6, 2026May 18, 2026
SPE7L126F36608511903536!OIL PANDepartment of Defense$2.8KFeb 5, 2026Jun 5, 2026
SPE4A726P26848511762483!SPA CER,SLEEVEDepartment of Defense$0Nov 18, 2025Dec 3, 2025
SPE7L126F28018511848296!OIL PANDepartment of Defense$2.8KJan 8, 2026May 8, 2026
SPE7M126F13478511839728!WHEEL ASSEMBLY,DESIDepartment of Defense$37.4KJan 2, 2026Apr 13, 2026
Explore, filter and export all awards →SubcontractsGrants & subgrants

Registration, certifications & contacts

Registration evidenceDate
SAM updatedNov 3, 2025
Source loadedSep 26, 2026
Initial registrationSep 18, 2007
Entity startAug 8, 1991

Registration classifications: Small Business. These are separate from the reported certificates above.

IndustryReported size status
336510 — Railroad Rolling Stock ManufacturingNot reported
423810 — Construction and Mining (except Oil Well) Machinery and Equipment Merchant WholesalersNot reported
423860 — Transportation Equipment and Supplies (except Motor Vehicle) Merchant WholesalersNot reported
425120 — Wholesale Trade Agents and BrokersNot reported
485999 — All Other Transit and Ground Passenger TransportationNot reported
488210 — Support Activities for Rail TransportationNot reported
488999 — All Other Support Activities for TransportationNot reported
811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceNot reported
ContactRolePublished contact methodsEvidenceSource date
DAVID STUARTGovernment businessContact method not publishedSAM registrationNot available
HELEN STUARTAlternate government businessContact method not publishedSAM registrationNot available
DAVID STUARTElectronic businessContact method not publishedSAM registrationNot available
HELEN STUARTAlternate electronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 336510 — Railroad Rolling Stock Manufacturing
  • 423810 — Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
  • 423860 — Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
  • 425120 — Wholesale Trade Agents and Brokers
  • 485999 — All Other Transit and Ground Passenger Transportation
  • 488210 — Support Activities for Rail Transportation
  • 488999 — All Other Support Activities for Transportation
  • 811310 — Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Registered products and services
  • 2210 — Locomotives
  • 2230 — Right-of-Way Construction and Maintenance Equipment, Railroad
  • 2240 — Locomotive and Rail Car Accessories and Components
  • 2815 — Diesel Engines and Components

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

Related companies worth researching

Explore the customer, work and award-size evidence behind each match.

PENN POWER GROUP LLC

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
9 awards

SECO PARTS & EQUIPMENT CO

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
4 awards

EQUIPMENT PARTS SALES

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
5 awards

BROWN HELICOPTER, INC.

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
3 awards

HYDRAULICS INTERNATIONAL, INC.

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
4 awards

CENTRAL POWER SYSTEMS & SERVICES, LLC

1 shared agency customer(s); Shared work: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing, 333613 — Mechanical Power Transmission Equipment Manufacturing; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
13 awards

About AMERICAN TRADING SERVICES, INC

What products and services appear in its federal awards?

Recorded award industries: 333415 — Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing; 332999 — All Other Miscellaneous Fabricated Metal Product Manufacturing; 334413 — Semiconductor and Related Device Manufacturing.

Recorded products and services: 4440 — Driers, Dehydrators, and Anhydrators; 4720 — Hose and Flexible Tubing; 5935 — Connectors, Electrical.

Examples from recent award records:

These records describe federal award work, not every company capability. Review the award evidence.

Where is the company registered?

3435 ROCKEFELLER CT, WALDORF, Maryland 20602, United States

Registered location from SAM.gov; award performance locations may differ.

Explore related contractor directories

Browse companies by registered location, primary registered industry, or federal customer.

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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