"NSA provides the purchasing power we need to be competitive in today’s market. It’s vital to realize every cost advantage possible and NSA is a key partner for us in this effort."

Guy Mingo, Marsden Holding, St. Paul, MN


National Service Alliance is the industry-leading group purchasing organization for building service contractors and related businesses in the United States. 

Members benefit from the tremendous purchasing power of the group and enjoy contractually protected pricing on a wide variety of equipment and services, saving money without disrupting their established supply chain or retraining site personnel.

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Visit our channel for recent webinars.


June 14 - Standardize/Optimize/Minimize - Denver, CO - Click for Pictures

June 18 - Webinar - Hydropower with Unger

June 30 - Webinar - Become Your Customer's Primary Source Supplier - Learn How 

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NSA in the News:

Press Release - (June 10, 2015) CHARLOTTE, NC—National Service Alliance (NSA), a leading group purchasing organization for larger building service contractors and related businesses, has just completed a general meeting and awards dinner, held this year in Scottsdale, Arizona.  Read More

InClean Magazine (May 27 2015) -

Each time a worker leaves, it can cost a contractor $1,000...Read More

Cleaning & Maintenance Management (May 03 2015) - The term “product rationalizing” may be relatively new to many cleaning contractors as well as some facility managers. Read More

Services Magazine (April 27 2015) - If you have been in the Contract Cleaning business for more than 10 years, you have probably witnessed a big shift in the way your clients’ office space is laid out.  Read More

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