Marcus Howard
Generator Sales & PM Contracts
Marcus Charles Howard serves as Outside Sales for Generator Source in Austin, Texas. He entered the power generation industry after a close friend introduced him to the field at the right time, and he has remained committed ever since. Marcus brings a professional, approachable style to every customer interaction, focusing on clear communication and long-term relationships.
His day-to-day work includes traveling to new locations throughout Texas, introducing organizations to Generator Source, and helping them understand who we are and how we support reliable power solutions. Marcus values building genuine connections with customers, taking the time to understand both their business needs and their broader operational goals.
One of his proudest accomplishments has been working to onboard the City of Belton and its fleet of 18 generators, reflecting his dedication to relationship-building and complex account development.
What They’re Saying
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Generator Field Services
Advanced Upgrades and Custom Solutions
Generator Source goes beyond basic service by offering a wide range of custom generator solutions and upgrades to meet your specific power needs. Our engineers and electricians can reconfigure and modernize your power system, including:

Schedule Service
Whether you need expert generator service, preventative maintenance, or are exploring rental options, we’re here to help.
Send us a message, and our team will get back to you promptly.

Quality Assurance
Our Techs are EGSA Certified
Our certified EGSA technicians deliver exceptional, hands-on expertise that our customers rely on.
Standard Tests
- Battery Voltage (12 or 24 Volt)
- Check Air Filter
- Check Barrel Leads (Insul. Tightness)
- Check Battery Cables
- Check Battery Charger
- Check Block Heater
- Check Coolant (Full & Protected for Temp)
- Check Fan Belts
- Check Fuel Rack
- Check Oil & Condition
- Cold Water Leaks
- Fuel Pumped Out of Tank
- Grease Gen Bearing
- Missing Belts
- Remote Start Connection (Locate, Test & Tag)
- Remove Remote Wires
- Tighten All Term Screws
- Tighten Hose Clamps
- Turn Engine for 2 Full Rounds
- Voltage Check
Load Bank Tests
- Accurate Temperature Gauge Test
- Auto Start Test & Tag Verifications
- Check Temperature with Heat Gun
- Coolant Leaks
- Engine Alternator Test
- Full Rating Tests
- Gauge Adjustment Tests
- Gauge Compliance Tests
- Oil Leaks
- Pre-Alarm Verification
- Shut Down Verification

Find Your Service Area
Still have questions or looking for more information?
Generator Source specializes in low-hour, used, new, and surplus generator sets. We have a wide variety of generator sizes and models to fit any project. We are not a broker, we own what we sell.
Call us today (877-866-6895) or click Contact Us to be connected with one of our experienced sales reps.
We have 350+ generators in stock and ready to ship!






