Office Administrative Services: NAICS 561110
Browse federal contract opportunities classified under NAICS code 561110 (Office Administrative Services). Find active solicitations on SAM.gov, understand size standards, and discover set-aside opportunities for your business.
About NAICS 561110
Office Administrative Services. This industry falls under the Administrative and Support and Waste Management sector (NAICS codes beginning with 56).
Federal agencies use NAICS code 561110 when posting contract opportunities on SAM.gov to classify the type of work being solicited. Businesses that operate in the office administrative services space should include this code in their SAM.gov registration and capability statements to ensure they appear in relevant searches.
How to Use NAICS 561110 in Federal Contracting
To compete for federal contracts under NAICS 561110, your business should be registered in SAM.gov with this NAICS code listed in your entity profile. When agencies post solicitations for office administrative services work, they reference this code to determine the applicable small business size standard and any set-aside eligibility.
If you hold certifications such as 8(a), HUBZone, SDVOSB, or WOSB, you may be eligible for set-aside contracts under this NAICS code. These set-asides limit competition to certified small businesses, giving you a significant advantage in winning federal work.
FedOverwatch monitors SAM.gov daily and can automatically match you with new opportunities under NAICS 561110. Set up your profile with your NAICS codes and certifications to receive personalized contract alerts.
NAICS 561110 Market Intelligence
Based on 3 years of federal award data from USAspending.gov, the office administrative services market has seen 4,527 contract awards totaling $2.0B in value. The median contract size is $109K, with approximately 126 new awards per month.
Total Awards (3yr)
4,527
Total Value
$2.0B
Median Contract
$109K
Competitors
682
Contract value distribution
3,243 small business awards ($1.5B total value,$130K median)
682 companies compete for NAICS 561110 contracts
See who's winning, their award values, and where you fit in the market
Explore CompetitorsSize Standards
The SBA establishes size standards for each NAICS code to define what qualifies as a "small business" for federal contracting purposes. For NAICS 561110 (Office Administrative Services), the size standard is based on either average annual receipts or number of employees, depending on the specific industry. Meeting the size standard for your primary NAICS code is required to qualify for small business set-aside contracts.
Visit the SBA Size Standards Table to find the current threshold for NAICS 561110.
Recent NAICS 561110 Opportunities
View all →The Department of Defense is procuring Integrated Referral Management and Appointing Center (IRMAC) services for the Defense Health Agency, focusing on centralized patient appointing, referral management, and report accountability services for military treatment facilities in Hawaii and the Pacific Northwest. The contract is an 8(a) set-aside, and the performance period spans from October 2026 to March 2031, with multiple option periods. Offerors must comply with specific eligibility criteria and provide services from a location within 25 miles of any U.S. military treatment facility.
The Department of the Air Force is procuring support services for a Bilateral Army Exercise at Camp Asaka in Saitama Prefecture, Japan. This requirement is restricted to companies currently holding agreements under the Japan-wide Exercise Support Services BPA series. The procurement will be executed via BPA call orders.
ptionSee attached RFQ McKenzie Hanson Contract
The Department of Health and Human Services is conducting market research to identify qualified Indian Economic Enterprises and Indian Small Business Economic Enterprises capable of providing medical coding, auditing, and data entry support services for the Indian Health Service. The contractor will be responsible for coding approximately 36,000 medical encounters over a six-month period, ensuring high accuracy and compliance with various healthcare regulations.
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The Department of Defense is procuring repairs for the existing boiler system located at S-3201, CP TANGO. The work involves maintenance and restoration of the boiler system to ensure its operational efficiency. ELRIM CONSTRUCTION CO., LTD. is the incumbent contractor for this project.
The Department of Defense is procuring Integrated Referral Management and Appointing Center (IRMAC) services for the Defense Health Agency, focusing on centralized Patient Appointing Services, Referral Management Services, and Clear and Legible Report accountability Services for military treatment facilities in Hawaii and the Pacific Northwest. The contract is an 8(a) set-aside and will be awarded to the offeror whose proposal represents the best value, with a performance period starting from October 1, 2026, and includes multiple option periods extending to March 31, 2031.
The Department of the Treasury is procuring a Travel Specialist under a personal services contract to support its global projects. The specialist will provide travel and administrative support services to U.S. government employees and contractors, requiring significant experience in arranging international travel and knowledge of Federal Travel Regulations. This position is located at OTA headquarters in Washington, DC, and is not remote, with some travel required.
Frequently Asked Questions
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