Top 50x2: STULZ-ATS and Summit Anchor Company

In this year’s special edition of Frederick Top 50x2, we are recognizing Frederick County’s most resilient businesses that have been serving our community for 20 years or more.  Each week we will be highlighting businesses and organizations that were selected for the publication.  These are the companies that prove that Frederick County is a great place to do business. 

1572 Tilco Drive | Frederick
Established: 1974

Founder: STULZ Family

Backed by over 40 years of experience, STULZ is the foremost pioneer in the field of air conditioning solutions for dependable applications and data centers. STULZ precision air conditioning equipment is developed and manufactured in the USA, to the very highest standards of quality, and in line with exceptionally stringent testing criteria.   We are specialists in our field and are equipped with a level of technical expertise in data centers that stretches far beyond simply our core business.  Together with its various sizes, extensive additional options, and modularity, STULZ boasts a product range that is unique in the world and can make optimum air conditioning a reality for practically every project.

What is your advice to a young company?

Be part of the community, participate and contribute to Frederick.  Partner with Economic Development and all aspects of County and City government.

Summit Anchor Company
4507 Metropolitan Ct Ste F | Frederick
Established: 1990

From its small beginnings as a window cleaning company, Frederick, Maryland-based Summit Anchor Co. has had one major focus: safety. Summit Anchor strives to set the standard for safe working conditions for those in the suspended access and building maintenance industry through its anchorages and fall protection systems. Looking forward, the company wants to climb to new heights as a pacesetter in fall protection systems throughout the Mid-Atlantic region, the United States and the world – while never leaving behind its core value: respect for life.

What is your advice to a young company?

Focus on what your mission is and it cannot just be about money. Be honest with yourself, do your best even when others don't.

Frederick County is very fortunate to have an amazing business community, especially those that have been in business for over 20 years.  We understand that there are more than 100 legacy businesses in Frederick County, but unfortunately, we were not able to include all these businesses in the Top 50x2.  The businesses included were selected from responses submitted to a business survey.  OED staff verified the responses and then selected the businesses on a first come first serve basis.  If your business would like to be included in future opportunities, please email

Some photographs included in the publication were taken pre-COVID.  OED encourages everyone to follow precautionary guidelines set forth by the Frederick County Health Department.