Simplex Group is a back office for trucking companies. For more than 25 years, our team has handled DOT and FMCSA compliance, commercial truck insurance, permits, trucking taxes, factoring, and ELDs for carriers nationwide, from offices in Miami, Rancho Cucamonga, Houston, and Richardson, Texas.
What does Simplex Group do?
Simplex Group takes on the filings, programs, and paperwork that keep a trucking company legal, insured, and paid, so owners can stay focused on the road. We work through three companies:
| Company | What it handles |
|---|---|
| Simplex Group | DOT and FMCSA compliance, operating authority, permits, trucking taxes, and ELDs |
| Simplex Insurance | Commercial truck insurance |
| Freight 4 U | Freight planning and factoring |
DOT and FMCSA compliance
We set up and maintain the safety side of your operation: driver qualification files, drug and alcohol testing, hours-of-service records, vehicle maintenance records, CSA monitoring, and DOT mock audits. Our compliance programs for trucking companies come in three levels: Simplex Hub (self-service), the Essentials Program (an on-demand support team), and the Managed Program (a dedicated account manager). Our DOT safety compliance page explains what each program area covers.
Operating authority
New carriers can start with our trucking authority packages, which cover the USDOT number, the MC number, the BOC-3 process agent filing, and Unified Carrier Registration.
Commercial truck insurance
Simplex Insurance builds insurance programs for new ventures and established fleets, combining trucking liability, motor truck cargo, physical damage, non-trucking liability, and general liability. A licensed agent follows up on every request. See our trucking insurance coverage.
Permits and trucking taxes
Our permits and fuel tax team handles trucking permits, including oversize and overweight permits, temporary IFTA fuel and IRP trip permits, and UCR. It also prepares trucker tax filings: IFTA fuel tax reports, Form 2290 heavy highway vehicle use tax for vehicles with a taxable gross weight of 55,000 pounds or more, and weight-distance taxes in Kentucky, New York, New Mexico, and Oregon.
Factoring and freight planning
Freight 4 U offers trucking factoring through our partner OTR Solutions, so you can sell delivered-load invoices instead of waiting for customers to pay, and freight planning with a dedicated dispatcher assigned to your account.
ELDs
We also supply electronic logging devices for trucking companies, so fleet managers can see each driver’s hours-of-service record in real time.
Who leads Simplex Group?
- Rigo Diaz, Founder and CEO. Rigo founded Simplex Group and has led it for more than 25 years, after more than six years in risk management. He writes about insurance and carrier risk, including how CSA scores affect truck insurance premiums.
- Gabriel Gonzalez, Chief Revenue Officer. Gabriel has been with Simplex for more than 22 years, including nearly 16 as Chief Operating Officer, and combines revenue strategy with operations experience. Read his guide to starting a trucking company.
- Inely Baez, Chief Operating Officer. Inely has led operations at Simplex for nearly eight years across compliance, technology, logistics, and performance systems. She is a Certified Public Accountant and has held leadership roles in Freight 4 U and Velox Transport Solutions. Read her ELD compliance guide for fleets.
Where are Simplex Group’s offices?
Simplex Group has four offices, two of them in Texas. Carriers anywhere in the country can reach us through the form below or our contact page, which lists each department’s direct line.
| Office | Address |
|---|---|
| Miami, Florida | 7500 NW 52nd St, Suite 100, Miami, FL 33166 |
| Rancho Cucamonga, California | 8560 Vineyard Ave, Suite 112, Rancho Cucamonga, CA 91730 |
| Houston, Texas | 6633 Portwest Dr, Suite 110, Houston, TX 77024 |
| Richardson, Texas (Dallas area) | 990 N Bowser Rd, Suite 900, Richardson, TX 75081 |
What we value
Our mission is to empower the dreams of those delivering to America: the independent, ambitious entrepreneurs who build trucking companies. Six values guide how we work.
Our customers are our priority.
To bring only the best to our customers.
Our customers and partners deserve our attention and respect.
We provide creative solutions.
We invest in our team and in our organization, so we can better support our customers.
When we give back, we all succeed.
Where do Simplex Group customers log in?
Customers log in from our client portals page, which links each system: SimplexHub, the Simplex ELD portal, the substance testing portal, and separate portals for Florida and non-Florida insurance clients.
SimplexHub and the Simplex2Go app show your ISS and BASIC scores, the last 24 months of inspections, violations, and accidents, and alerts for permit expirations, tax filings, and driver to-dos.
Our partnerships page covers the Simplex Fuel Card and OTR Solutions, and our reviews page shows what customers say about working with our team.
How to work with Simplex Group
Tell us where you need help: compliance, insurance, permits and taxes, factoring, or an ELD. Use the form below with your USDOT number (or tell us you don’t have one yet), how many trucks you run, and how long you have been in business, and the right specialist will follow up.
Looking to join the team instead? See our careers page.
Frequently asked questions
What is Simplex Group?
Simplex Group is a back-office service company for trucking companies. It handles DOT and FMCSA compliance, operating authority, permits, trucking taxes, and ELDs, with commercial truck insurance through Simplex Insurance and factoring and freight planning through Freight 4 U. Founder and CEO Rigo Diaz has led it for more than 25 years.
Where is Simplex Group located?
Simplex Group has four offices: Miami, Florida; Rancho Cucamonga, California; Houston, Texas; and Richardson, Texas, in the Dallas area. The contact page lists each address and department line.
How do I log in to my Simplex Group account?
Go to the client portals page and choose your system: SimplexHub, the Simplex ELD portal, the substance testing portal, or the insurance client portal for Florida or non-Florida clients.
Does Simplex Group offer trucking insurance?
Yes. Simplex Insurance, a Simplex Group company, writes commercial truck insurance programs that can combine trucking liability, cargo, physical damage, non-trucking liability, and general liability, and a licensed agent follows up on each request.
Sources
The company facts on this page come from Simplex Group’s published pages, and the tax threshold from the IRS, checked on September 25, 2026.
- Simplex Group: Contact Us: The four office addresses and department lines.
- Simplex Group: Comprehensive Compliance Programs: The Simplex Hub, Essentials, and Managed compliance programs and what each includes.
- Simplex Group: Commercial Trucking Insurance: The insurance lines Simplex Insurance writes and the licensed-agent follow-up.
- Simplex Group: Portals: The customer login portals.
- Simplex Group: Rigo Diaz author profile: Rigo Diaz’s approved bio: founder, more than 25 years leading Simplex, six-plus years in risk management.
- Simplex Group: Gabriel Gonzalez author profile: Gabriel Gonzalez’s approved bio: 22-plus years at Simplex, nearly 16 as COO.
- Simplex Group: Inely Baez author profile: Inely Baez’s approved bio: nearly eight years leading operations, CPA, Freight 4 U and Velox roles.
- IRS: About Form 2290: Form 2290 applies to highway motor vehicles with a taxable gross weight of 55,000 pounds or more.