About Us

Loos Services and Supply

Mark Powley, President, grew up in a family owned sand & gravel operation.  After returning from school, Mark went to work at his family’s gravel operation.  He started in maintenance and worked himself up to Superintendent of the gravel operation.  He started selling sand & gravel equipment in 1998 and came to work at Loos Service & Supply, Inc. in 2001.  Mark has over 23 years of working knowledge in the aggregate industry.

Betty Jenkins, Secretary/Treasurer, has been with Loos Service since 1987 and has handled inside and outside sales along with being the office manager. 

Don Bloss has worked in the aggregate industry since 1963.  He worked for 40 years selling heavy equipment before coming to work for Loos Service in 2003.

Ron Witt came to work for Loos Service in the spring of 2006.  He previously worked at a gravel operation where he was involved in crushing, screening, dredging and equipment maintenance. Ron has 20 years experience in the gravel industry.

Nicki Phillips joined Loos Service in 2005 as an office assistant and also handles inside sales.  

As you can see, we have over 110 years of experience in the gravel industry to offer our customers.  We look forward to working with each of you.