Exceeding Client Expectations FOR OVER 25 YEARS
Exceeding Client Expectations FOR OVER 25 YEARS

Comprehensive Facility Operations Services

We offer diversified quality management services for all aspects of building management, including complete mechanical maintenance, HVAC maintenance and repair, and comprehensive janitorial services.

Contact Us
hero4 (4)
Facilites Engineering

Wilson 5 Service Company is experienced and equipped to determine the particular needs of your facility. We develop management control systems that will reduce costs, conserve energy, and promote safety throughout your facility. 

hero3 (4)
Mechanical Maintenance

Wilson 5 Service Company is unsurpassed in its level of Mechanical Maintenance Management. We provide comprehensive services for both the private and public sectors at facilities that range in size from 10,000 to 2,000,000 square feet.

hero5 (3)
Custodial & Janitorial

Wilson 5 Service Company is a proven leader in the custodial/janitorial industry. We provide comprehensive services that meet the highest quality standards, tailored to suit the specific needs of our customers.

About Us​

Wilson 5 Service Company, Inc. has been established in building maintenance services since 1982. The Small Business Administration (SBA) has determined that our company certifies as the following:

  • Small Disadvantaged Business Concern
  • Service-Disabled Veteran Owned Business Concern

Our standard company policy is to provide quality service at the lowest cost possible for our clients. We continually strive to find cost-cutting and energy-saving procedures that benefit our clients and the buildings we service.

Serving Both Private & Public Sectors

Our Clients


General Services Administration
National Archives and Records Administration
Justice Department
Internal Revenue Service
Social Security Administration
U.S. Postal Service
Department of Defense
Immigration & Naturalization Service
Department of Veteran Affairs
Department of State


Celestica, Inc.
Federal Express
Tyco International
Cornerstone Associates
GreenPages, Inc.


US Air Force
US Army
US Navy
US Coast Guard
US Naval Marine Reserves
US Army Reserves
US Army Corps of Engineers

Local Government

Maine Air National Guard
ME Judicial


Our Mission

Willson 5 Service company provides on-site Facility Operations Services that will exceed our client's expectations at the best possible value. We continue to build upon the belief that quality and reliability still count!

Scroll to Top