Family Owned and Operated Since 1981

The Contractor to Call for Asphalt, Concrete Cutting and Drilling

Fully Licensed – License #624328 & Bonded

R.G. Helmer Co., Inc. is a general contractor specializing in concrete cutting and coring, serving
Orange County, LA County, San Diego County, San Bernardino County,  Riverside County and Ventura County.

Call 1 (714) 537-1170 or fax 1 (714) 537-7130 to discuss your concrete cutting or concrete drilling needs with us.

Southern California's Preferred Asphalt, Concrete Cutting & Core Drilling Service


As a concrete cutting and sawing company, we lend nearly 40 years experience to every job, whether core drilling, or concrete cutting for slabs or walls for HVAC. Our technicians are highly trained in advanced techniques and safety measures to perform concrete cutting, coring, wall and slab sawing services for new and existing commercial and industrial structures.

Having served Southern California since 1981, R.G. Helmer Co., Inc. has the experience of working general contractors contractors, pipeline companies, and HVAC companies across the Los Angeles, Orange County, and Inland Empire areas that industry professionals expect. We are proud of our reputation as a concrete cutting business recognized for timeliness, precision and professionalism in all aspects of our business.

Asphalt, Concrete Cutting & Drilling Services

  • Concrete Coring 1 inch to 20 inches in Diameter
  • Slab Sawing
  • Concrete Wall Sawing

Specializing in Core Drilling


Academy Electric Inc. always uses R.G. Helmer Company Inc. as part of our construction team because of their consistently on time performance, competitive pricing, and ability to perform small or large jobs with the same degree of quality and professionalism. R.G. Helmer Company Inc. is most definitely a welcome asset to any project you may be involved with.

Don Gentry

V.P. and General Manager

Academy Electric

Dear Renea,
Stepan Company is grateful for our relationship with RG Helmer Co., Inc. Over the past twenty years, or so, you have consistently provided excellent service. Whenever we require core drilling services you are prompt to provide a quote, you are competitive, dependable and professional from start to finish.

Stepan Company is a Cal-VPP Star site and operates with “safety first” as our number one priority.

Your personnel perform quality work in a safe and professional manner. We appreciate that you are always willing to provide documents we require to comply with safety and Cal-OSHA requirements.

It is always a pleasure to work with your company. You and your staff consistently set the bar high!

Linda Davidson

Purchasing Agent

Stepan Company

We at Pacific Lift & Equipment over the years have used several different coring companies to perform work that is needed at our jobsites. Since we found R.G. Helmer Company, they are the only coring company we use now. They are very professional, great office and working personnel with excellent quality work, dependable and great competitive prices. You can expect when the job is complete that they have done a great job and the clean up is remarkable. Pacific Lift & Equipment would recommend R.G. Helmer to everyone and we would like to say, “Thank You” for your excellent work over the years.

Bruno Cusick

Project Manager


To All Concerned:

R.G. Helmer Co., Inc. offers a great service. They are customer orientated, reliable, and perform clean work. It is curtail in our business to keep our customers happy. We can always count on R.G. Helmer Co., Inc.

Jorge Tejeda

Field Superintendent

VFS Fire and Security Services


Zeen Plumbing & Piping Co. has been utilizing R.G. Helmer Co.’s expertise for over 10 years. No matter what size the project is Helmer Co. and their friendly, family oriented staff have always been there to take care of our needs.

Jennifer Postiff

Accounts Manager

Zeen Plumbing & Piping Co.

Since Clevely Construction was introduced to R.G. Helmer Co., Inc. over ten years ago we have been using them for all of our cutting and coring work. They are always on time, courteous, and have respect for my job sites. Furthermore, they are very competitive on pricing. I can easily recommend R.G. Helmer Co., Inc. without any reservations.

Chris Clevely, President

Clevely Construction

R.G. Helmer Co., Inc. always does great work for me on short notice. The quality is awesome and all of the employees are very professional.

Mike Boomsma

Construction Manager

Cordoba Corporation

Additional Page Notes