A. O. COMPANIES, INC. (MD)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $1.62M
- $1,624,689under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 72
- with positive net obligations5 IDV vehicles held
- Latest action
- Oct 31, 2022
- SAM.gov registration
- Active
- Registration expiration date Feb 13, 2027
Registration
- Doing business as
- ATMOSPHERIC PRODUCTS AND SERVICES - APS
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Mar 17, 2006 (20 years)
- Location
- Reisterstown, MD
- State of incorporation
- Maryland
- Website
- apsusa.biz
† FY2026 obligations (provisional; DoD awards signed after Jul 27, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 27, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI LC63KZCWKDR1. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2023: -$116,652 (de-obligation)
- FY2022: -$2,147 (de-obligation)
- FY2020: $31,392
- FY2019: $28,727
- FY2018: $26,233
- FY2017: $17,940
- FY2016: $8,364
- FY2015: $62,412
Show all 15 yearsEarlier years (FY2008–FY2014)
- FY2014: $34,090
- FY2013: $492,438
- FY2012: $453,496
- FY2011: $70,176
- FY2010: $206,854
- FY2009: $301,073
- FY2008: $10,292
Total across 15 fiscal years: $1,624,689
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$1,557,716, 95.9%
- Department of the Interior$24,209, 1.5%
- Environmental Protection Agency$23,919, 1.5%
- Department of Veterans Affairs$16,718, 1.0%
- Department of Homeland Security$2,127, 0.1%
Top awarding sub-agencies
- Department of the Army$1,455,922, 89.6%
- Department of the Navy$101,794, 6.3%
- Bureau of Reclamation$24,209, 1.5%
- Environmental Protection Agency$23,919, 1.5%
- Department of Veterans Affairs$16,718, 1.0%
Top NAICS by obligations
- 325120Industrial gas manufacturing$817,985, 50.3%
- 325188All other basic inorganic chemical manufacturing$313,274, 19.3%
- 211112Natural gas liquid extraction$93,747, 5.8%
- 334516Analytical laboratory instrument manufacturing$77,172, 4.7%
Top product and service codes by obligations
- 6830Gases: compressed and liquefied$738,448, 45.5%
- 9140Fuel oils$496,883, 30.6%
- J066Maint-rep of instruments & lab eq$143,193, 8.8%
- 6640Laboratory equipment and supplies$83,072, 5.1%
- 6850Miscellaneous chemical specialties$67,031, 4.1%
Capabilities
NAICS codes
- 325120Industrial Gas Manufacturing(primary)Small
- 213112Support Activities for Oil and Gas OperationsSmall
- 221210Natural Gas DistributionSmall
- 236220Commercial and Institutional Building ConstructionSmall
- 237120Oil and Gas Pipeline and Related Structures ConstructionSmall
- 326199All Other Plastics Product ManufacturingSmall
Show all 30 NAICS codes24 more NAICS codes
- 332311Prefabricated Metal Building and Component ManufacturingSmall
- 332420Metal Tank (Heavy Gauge) ManufacturingSmall
- 332911Industrial Valve ManufacturingSmall
- 332912Fluid Power Valve and Hose Fitting ManufacturingSmall
- 333415Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment ManufacturingSmall
- 334515Instrument Manufacturing for Measuring and Testing Electricity and Electrical SignalsSmall
- 334516Analytical Laboratory Instrument ManufacturingSmall
- 334519Other Measuring and Controlling Device ManufacturingSmall
- 337127Institutional Furniture ManufacturingSmall
- 339112Surgical and Medical Instrument ManufacturingSmall
- 339113Surgical Appliance and Supplies ManufacturingSmall
- 423450Medical, Dental, and Hospital Equipment and Supplies Merchant WholesalersSmall
- 423510Metal Service Centers and Other Metal Merchant WholesalersSmall
- 423830Industrial Machinery and Equipment Merchant WholesalersSmall
- 486210Pipeline Transportation of Natural GasSmall
- 493190Other Warehousing and StorageSmall
- 532490Other Commercial and Industrial Machinery and Equipment Rental and LeasingSmall
- 541330E
- 541990All Other Professional, Scientific, and Technical ServicesSmall
- 611310Colleges, Universities, and Professional SchoolsSmall
- 621491HMO Medical CentersSmall
- 621511Medical LaboratoriesSmall
- 621910Ambulance ServicesSmall
- 622110General Medical and Surgical HospitalsSmall
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Women-Owned Small Business
- Woman-Owned Business
Product and service codes (PSC)
- AB24Research & Development
- H243Quality Control, Testing & Inspection
- H365Quality Control, Testing & Inspection
- H368Quality Control, Testing & Inspection
- H391Quality Control, Testing & Inspection
- J048Maintenance, Repair & Rebuilding
- L043Technical Representative Services
- L063Technical Representative Services
- S111Utilities and Housekeeping
Federal Capability Statement
Bulk Products, LIN, LOX, LAR, CO2, Propane, Medical Products, Bulk Installations, Medical Systems Design, Service, Repair and Maintenance, Regulators, Safety Equipment, Bulk Tanks, Manifolds, Cryogenic Storage Systems, Consulting and Engineering, Training
Capabilities & Services
Contracts
Latest awards and orders
- W912NW07P0741Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912NW16P0060Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912NW16P0070Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W911SG14P0055Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W911SG14P0058Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- 0014BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- W912NW15P0006Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W911SG15A0004Blanket purchase agreement (BPA)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- 0004BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- W912NW13P0234Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for A. O. COMPANIES, INC. lists a physical address and a separate mailing address, along with 4 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
17 NORRIS RUN CT
REISTERSTOWN, MD, 21136
USA
Mailing Address
17 NORRIS RUN CT
REISTERSTOWN, MD, 21136
USA
Government Business Contact
PATRICK MCCARTHY SR
CEO
17 NORRIS RUN COURT
REISTERSTOWN, MD, 21136
USA
Electronic Business Contact
RONI MCCARTHY
CFO
17 NORRIS RUN COURT
REISTERSTOWN, MD, 21136
USA
Government Business Alternate Contact
RONI MCCARTHY
CFO
17 NORRIS RUN COURT
REISTERSTOWN, MD, 21136
USA
Electronic Business Alternate Contact
RONI MCCARTHY
CFO
17 NORRIS RUN CT
REISTERSTOWN, MD, 21136
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
A. O. COMPANIES, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires February 13, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Registered for disaster relief contracting — Nationwide
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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- Gilbert Development Group, IncFrederick, MD
- O2 Supply Company, Inc.La Plata, MD · SAM.gov registration Expired
- Cryo-Express, LLCGaithersburg, MD