BMC Enterprises, Inc.
8112 Maryland Avenue, Suite 320
Clayton, MO 63105

We strive to provide quality customer service. Please contact us with any questions, comments, or needs and someone will reach out to you. We look forward to helping make your next project a success.


Nathan McKean


ext. 329

[email protected]

Mr. McKean is the 4th CEO (2004) and sole shareholder of BMC Enterprises, Inc., parent of Breckenridge Material Company (est. 1925).

Mr. McKean has held every functional leadership responsibility since beginning his full time employment in 1992.

Mr. McKean successfully developed and executed a growth strategy through one of the most difficult economies during the Great Recession and continues to execute that strategic growth plan during the recent global pandemic.

Nathan has completed 22 acquisitions in his sixteen years as CEO, establishing BMC Enterprises as a leader in the industry and a vertically integrated supplier of aggregates and ready mix concrete.

Nathan has served as President of the St. Louis Concrete Council and Chairman of the Missouri Concrete Association, and served as Chairman of NRMCA’s CONCRETEPAC for eight years.  Nathan has served on the Board and Executive Committee of the NRMCA and currently is serving as Chairman of the Government Affairs Committee.

Andy Arnold
President/ COO


ext. 326

[email protected]

Mr. Arnold has more than 29 years of experience in ready mix concrete and aggregates working in every aspect from sales, marketing, operations, production, and growth and development.

Mr. Arnold previously worked for LafargeHolcim SA in Paris, France as VP of Ready Mix Concrete Performance and responsible for Lafarge’s worldwide performance.

Andy also previously served as VP/GM for LafargeHolcim’s operations in Kansas and Missouri.

Andy joined Breckenridge Material Company in 2006 and served as Vice President until 2015 when he was promoted to President.

Andy received a Bachelor of Science in Agricultural Economics from Virginia Tech in 1989.

John Crumrine


ext. 304

[email protected]

Mr. Crumrine joined Breckenridge in the summer of 2013 and is responsible for leading finance, accounting, IT and risk management.

John held various executive and director level roles at Sensient Technologies, Aurora Foods and Ralston Purina, all billion dollar level manufacturing companies.

John received a Bachelor of Science in Accounting from Truman State in 1992, and MBA from Webster University in 2001.

Mark Jacobs
Chief Human Resources Officer


[email protected]

Mr. Jacobs has more than 18 years of experience in human resources with particular emphasis on employee/labor relations, talent acquisition, talent management, legal compliance, and training.

Mr. Jacobs previously worked for Schnuck Markets, Inc. in St. Louis, MO, most recently as the Senior Director of Employee & Labor Relations with oversight of the Labor Relations, Talent Acquisition, and Employment/Labor Law functions. Schnuck Markets has 13,000+ employees spread across 110+ retail locations and facilities in four states. Prior to working for Schnuck Markets, Mark spent nine years in private law practice defending employers in employment and labor-related matters.

Prior to becoming a lawyer, Mark spent over 8 years on active duty in the United States Navy as an EA-6B Prowler Electronic Countermeasures Officer, deploying to the Persian Gulf aboard the USS Abraham Lincoln in 1998 and 2000. Mark also spent time assigned to the Naval Personnel Command as a placement officer in Millington, TN, where he discovered his interest in human resources.

Mark received a Bachelor of Science in Political Science from Truman State University in 1995 and a Juris Doctorate from Saint Louis University School of Law in 2008.

Ryan Bohon
General Manager


ext. 331

Mr. Bohon has been with Breckenridge Material Company since 2004.

Ryan started employment with Breckenridge as a Territory Representative, later moving to Sales Manager, Director of Sales, and most recently General Manager.

Ryan has responsibilities in every aspect including bidding, project management, production, job site quality control and general management duties for Breckenridge Material Company.

Mr. Bohon currently sits on the board of the Concrete Council of St. Louis and the Children’s Heart Foundation and also holds multiple industry certifications.

Ryan received his Bachelor of Science degree in Business Administration from the University of Missouri.

Todd Strother
Director of Dispatch


ext. 316

Mr. Strother has over 33 years of ready mix experience in the local industry.

Todd has worked in all aspects of the industry, from quality control, field representative, sales, operations and dispatch.

Todd began in 1986, as a yard man for then, Kurtz Concrete of O’Fallon, which eventually became LafargeHolcim.

Todd spent 12 years as General Manager for American Ready Mix Company and joined Breckenridge Material Company in 2009.

Todd currently serves on the advisory board for the Missouri State University Customer Experience Program.

Todd currently serves as Dispatch Manager, in charge of overseeing day to day operations of the ready mix business.

George Anderson
Fleet Manager


Mr. Anderson has been with Breckenridge Material Company since 2004. Prior to joining BMC, he had been in the heavy-duty diesel and automotive repair/maintenance industry since 1988.

George is responsible for daily operations, maintenance and repair of all rolling stock, and purchasing of equipment within BMC Enterprises.

George received his degree in Diesel Maintenance Technology from Ranken Technical College in 1991 and has experience in all aspects of the diesel trucking industry.

Todd Barklage
Director of BMC Stone and Sand


Mr. Barklage has over 38 years in the ready mix and aggregate industry beginning at Kurtz concrete in 1981.

During this time Todd served every position at the ready mix company from batch man to plant manager.

LafargeHolcim purchased Kurtz Concrete during which Todd was promoted to Operations Manager and then again to Business Unit Manager.

Todd then left LafargeHolcim and opened his own quarry with a partner, and until 2013 ran his quarry, at which time he came to work for BMC.

Todd now serves as the head of BMC Stone and Sand, and is responsible for overseeing the entire production of BMC Enterprises aggregate business


Click on a location for its phone number.

On mobile devices, use two fingers to scroll.