Manufacturer’s Representative of Quality Products

A trusted reliable resource for your industrial control panel requirements. We can assist you in your design and choosing: Enclosures, Cooling & Heating of Enclosures, VFD Drives,HMI’s and Electrical components. Plant-wide Signaling and Thermal Solutions and solving engineering and manufacturing problems.

Our mission and passion are to serve in YOU in the Midwest region -
Southern IL, MO, KS, NE.

Let us know how we can assist you.

Manufacturers Representative of Quality Products from the Following Companies:

Industrial Enclosures
NEMA 1, 3R, 4, 4X, 12
Custom & Standard UL & NEMA Rated
304 & 316 Stainless
Aluminum and Carbon Steel

Perfect Voltage Solutions
Transformers, Power supplies, Line Reactors, and EMI filters
‘Made in the USA‘ in the Midwest. German engineering with fast, quality-oriented production and a large warehouse in Chicago

Enclosure Thermal Management
AC Cooling Units NEMA 12, 3R/4 and 4/4X Filter Fans NEMA 12, 3R, and 4/4X, Rain hoods Air to Air & Air to Water Heat Exchangers, Heaters, Thermostats and Hygrostats

Liquid Cooling - Compact & Packaged Chillers
Water/Water Heat Exchangers

Industrial Networking Communication and Technology Products
Managed and Unmanaged, Ethernet Switches, Ethernet Extenders, Industrial Wireless Access points, AP bridges, and AP repeaters IP67, Industrial PoE60 Watt PoE++, 90 Watt PoE++, Serial Media Converters, Bluetooth, IoT Gateways, 100Mbps, Gigabit, 10G SFP, 10G XFP, M12 Switches, Class 1 Div 2

Electric Power Solutions
UL/IEC Approved and Listed, Contactors, Mini Contactors,Overload Relays, Manual Motor Starters, MCB, Mini -MS, EMPR,Molded Case Breakers, Air & Vacuum Circuit Breakers

Industrial Control and Signaling Units
Pushbuttons, Pilot Lights, Emergency Stops,Selector Switches, Rotary Cam Switches from 10 to 63 A,Control Stations, Disconnect Switches and Time Switches

Automation & Drives
VFD's Low Voltage Drives

1 HP up to 800 HP,  Advanced embedded functions and PLC card options.
Stock in Chicago for same-day shipment. 4-year Warranty, 24/7 US Support

VFD Package Solution

NEMA/UL Type 1, 12 and 3R.
Variable Torque Fan and Pump applications

HMI's 4.3" - 15" TFT color LCD
Human Machine Interfaces
Cost-Effective Control and Monitoring Solution

Industrial Control and Monitoring Products
Made in the USA, Timers, Intrinsically safe barrier Relays, Three-Phase Monitor Relays, Voltage Monitor Relays, Current Sensing Relays, Alternating Relays, Seal Leak and Temperature Relays, Liquid Level Contol Relays, General Purpose Relays and Custom Engineered Products

Pfannenberg Signaling Solutions
Visual And Audible Alarms For Industrial Safety.
Heavy duty and versatile signaling devices that satisfy numerous Alarm, Warning, and Indication requirements.
Horns / Sounders / Sirens, Flashing Strobe Lights, LED's, Combined Horns with Strobe, Signal Tower / Stack Lights.

About Us.

We are a Manufacturer’s Representative company providing local representation of quality products from our partners, serving the electrical, electronic and utility, markets in the Midwest region. Our mission is to serve you with the best solutions, information, and updates on the latest products, quick and accurate quotes and assistance with getting the products you need in the best possible time. We serve in you in - Southern IL, MO, KS, NE, and with Schaefers we also cover AR and CO.

Diamond Engineered Sales was established by Mark Diamond in 2015 and we have been recognized as a trusted reliable resource for your industrial control panel requirements.

Our passion to serve you has brought us to where we are today, we can assist you in your design and choosing: Enclosures, Cooling & Heating of Enclosures, VFD Drives, HMI’s, Signal, Control, and Electrical components.Source, size and quote plant-wide Signaling, and Thermal Solutions, we also take on engineering and manufacturing problems.
Our business philosophy: Serving you with integrity, at all times we will do what we say we will do.  We aim to establish and maintain long-term relationships with our customers and principals.

Meet the Team.

Mark Diamond
Mark Diamond graduated in 1992 with a B.S. in Mechanical Engineering from Missouri S&T.

From 1992-99 Mark worked for Proctor & Gamble at their Paper Products Plant in Cape Girardeau, Missouri. His roles included Process Engineer, Project Manager, Line Manager, Production Department Manager, and Electrical & Instrumentation Manager.

Mark served as President of Schaefer’s Electrical Enclosures from 1999-2014. Under Mark’s leadership, Schaefer’s was transformed from a rudimentary, manual job shop to a multi million dollar, state of the art, manufacturing facility positioned to be a fierce competitor in the electrical enclosure industry.

Mark is now uniquely suited, through Diamond Engineered Sales, to find solutions to even the most complex problems.

Ola Nordstrom
Graduated from IHM Stockholm Sweden - Marketing and Economics 1985.

Worked in Industrial and Software sales and project management in Sweden 1983-98. Roles included Sales, International Account management and Project leader.

Volunteered with Youth With a Mission in Scotland UK working with youth and missions from 1998 until December 2015 when we moved to Cape Girardeau MO to be close to my wife’s family. Roles in YWAM included School leader, Base/School director and National Director.

January 2016 to present working with Mark Diamond and Diamond Engineered Sales.

Cory Barker
Graduated from Southeast Missouri State University - Sports Management and Business Administration - 2005

Cory has spent 13 years as a Jr. High and High School basketball coach and has been a personal fitness trainer.

Worked at Arnold Insurance in Cape Girardeau, MO, 2017-2022. Started with Diamond Engineered Sales in January 2023.

Tell me about your next project.

Contact us today or learn more about Diamond Engeineered Sales below.

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Mark Diamond - Owner
m: 573.579.8402

Ola Nordstrom - Sales MO, IL
m: 573.225.5384

Cory Barker - Sales KS, NE
m: 573.225.6545