"To become a value added partner to our customers by providing high quality, economical services that meet and exceed their expectations."


We at SIS are committed to providing the highest quality of products and service. As individuals and as a team, we will strive to exceed the expectation of our customers each day in all aspects of Business.


Synchronous Industrial Services, Inc. is an ISO 9002 and QS 9000 certified organization founded in 1988 as Hollingsworth Enterprises. What began as an over-the-road trucking company for major automotive companies. Soon we progressed and expanded to include seven business segments. Each of the business segments supports and compliments the others allowing us to apply our expertise and tailor support packages to meet the needs of every customer at very competitive rates.

Our headquarters in Cottondale, AL which is 9 miles from Mercedes-Benz US International and consists of our main offices and 226,000 square feet, and is served by the Norfolk Southern Railroad. Our headquarters are complimented by a facility in Northport, AL. A logistics facility with 42,000 square feet. We have adequate manufacturing and warehousing space for future growth and expansion.