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delta corporate biosCorporate Bios:
Delta Automation Inc., is a corporation with a rich heritage in providing solutions that meet and exceed current standards in PLC and VFD Repair, Service and Sales. From the small departments to the large global enterprises, we have a solution for you. Our corporation is entrusted to those who care and we care about them. In each corporate bio you will find necessary contact information, credentials and department type.

Please feel free to contact us regarding sales, service, repair or training.

Click a name to review a corporate bio.


  • CEO: Margarete Culley
  • President: Bob Culley
  • Roy Caudle
  • Operations: Joe Sarver
mrs. culley

Margarete Culley, CEO of Delta Automation Inc., leads Delta utilizing all of her knowledge gainedwhile employed as an engineering/construction project management leader for a leading

Additionally, she handles the human resources department with the resources and skills gained while employed with a large firm which recruited engineering candidates needed for projects in large firms. Her other areas of responsibility include: final approval of all Delta projects and financial issues, marketing analysis and direction, accounting department supervision and, all employee related issues.

Email: Margarete Culley

Our President: Bob Culley
Bob Culley President of Delta Automation.comAfter completing his formal training in industrial electronics, Bob performed the tasks of a bench technician, and running a repair department. He was a field service engineer for a large international manufacturer of cigarette production equipment. His responsibilities included maintaining equipment for the high production and high-pressure goals of the tobacco industry in all areas of the world. He was also a technical specialist for the worlds largest chemical corporation.

Bob joined Gould/Modicon in 1982 as a field service engineer responsible for the Virginia area. Bob was troubleshooting systems throughout the east coast within weeks. After a year he was promoted to senior field service engineer being tasked with troubleshooting the more difficult problems and assisting other field engineers throughout the country. He worked closely with the factory engineers to locate and rectify any design problems. Bob designed and engineered many field test fixtures and numerous testing procedures still in use today. Bob's knowledge of Modicon remote I/O and communications network earned him recognition as the company expert.
His expertise was called upon for every large or complex system that Modicon sold or serviced worldwide. Being promoted to a system specialist allowed him to troubleshoot a multitude of systems including those in the most remote parts of the globe. Recognized as an expert in his field, he was commended for his work in all of the countries in which he performed services. plc drives servos motors

As the corporate raiding of the 90's began to affect the Modicon
lineage (Gould, AEG, ASA, Square D, Schnieder Automation), Bob
recognized the decline of timely, costly and reliable service. Bob decided that the time was right to start a full service third party service company called Delta Automation, Inc., providing the best in component level repairs, field service, training, system design, and start-up service.

Email: Bob Culley

Delta Automation, Inc. has no equal in the Modicon PLC arena!



National Sales and Service (Retired available for consulting): Roy Caudle
Roy Caudle National Sales Manager Deltaautomation.com Roy Caudle had 21 years of military electronic systems experience before joining Modicon as a field service engineer in 1981. Since that time he has provided innovative solutions using Modicon PLC systems all over the world. His hardware and software expertise put him in an elite class of Modicon engineers that can respond to customer needs anywhere in short notice.
Roy decided to join Delta Automation, Inc. in May of 1997, bringing with him the commitment to provide his customers with professional and timely service that seemingly has disappeared from the service industry today.

Recognized for his leadership abilities as well as technical skills, Roy was groomed through the manager roles to become the national service manager in 1993, where he served for 4 years.

Together with Bob Culley, founder of Delta Automation, Inc., they have taken customer satisfaction to the highest level.

Email: Roy Caudle


Operations Manager: Joseph F. Sarver
Roy Caudle National Sales Manager Deltaautomation.comJoseph F. Sarver is the Operations Manager for Delta Automation. He oversees the field service operation, repair operation, and provides technical support for the company’s business development effort via the sales and marketing team. Since coming to work for Delta Automation in early 2008 Mr. Sarver has been focused on growing the company’s variable frequency drive (VFD) business with special emphasis on the HVAC and pump systems markets. Joe was the architect of a very popular and in demand VFD preventive maintenance program. He is an editor and contributing author to Delta Automation’s quarterly newsletter.

After completing his BS degree in physics, Mr. Sarver initially launched his professional career working for three years as an electronics bench repair technician. He used this practical experience as the basis upon which to build a career in control systems, engineering, and technical facilities management.

Mr. Sarver has over twenty-six years of combined business experience in the mechanical systems field working for Honeywell as a control systems engineer, as an energy analyst for a consulting engineering firm, and fifteen years serving in a technical capacity as facility management professional. In the latter role he acted as a building owner representative in contracts development and administration in the public sector. He has expertise in managing mechanical systems, strategic planning, development and implementation of energy and water conservation measures, maintenance management, construction contract development, direction and support of a 24/7 standby operation, emergency management, and inclement weather operating procedures and readiness.
Mr. Sarver has successfully executed and managed a multi-million dollar, 12-year energy performance contract with a national energy services contractor. The related utility costs savings of which are serving to repay the debt service on the construction loan valued at six million dollars.

He also has project management experience and recently completed projects such as the construction management of a six hundred thousand-dollar fire restoration project of a central maintenance facility and office building. Mr. Sarver has authored a number of articles on the proper maintenance and tuning of mechanical systems and indoor air quality.

Mr. Sarver received his Baccalaureate Degree in Physics from the Virginia Commonwealth University, Richmond, Virginia and temperature controls engineering training from Honeywell Controls Systems Engineering School Minneapolis, Minnesota.

Email: Joe Sarver