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A Texas based professional engineering services firm with a 35+ year history servicing customers from Texas to Canada to Worldwide.


Scot Andrews, P.E., P.Eng.

Professional Engineer – Business Owner – Rancher – Pilot

Mr. Andrews continues to show an entrepreneurial spirit welcoming new and challenging engineering projects or new business ventures. Mr. Andrews lives on a ranch in Central Texas with his wife and four children. He also owns a successful storage rental business and a real estate investment company. In Scot’s free time his activities include aviation (as a private pilot), boating, and camping


Kelly Knake

VP of Product Development – Business Owner – Community Volunteer

Originally from Minnesota, Kelly is a business owner, community volunteer and engineering sales representative based in Houston. His passion is serving others. Whether it be for the local fire department, Houston Livestock Show and Rodeo, or assisting political candidates with their campaigns, Kelly is driven to succeed both personally and for others.


Jackie Purdy

Accounts Payable/Receivable

Born and raised a southern girl from Asheville North Carolina, Jackie is our company mom. Jackie has had many jobs and careers over her lifetime and has graced us with her presence for over 20 years at ISE. She is smart, witty and funny, but her greatest asset is customer service; she cares about you personally and the success of your business. Her compassion, caring and warmth are extended to all, this can be seen by the response that we all get when we talk with our customers about their interactions with our company, we always get “Jackie is Great“ She has a wonderful daughter and a longtime companion dog named Bobby Purdy that is the ruler of her heart and home.




Toby Meier

Certified Instructor – Senior Designer – Business Owner

Mr. Meier is a 1998 college graduate and has devoted his career to engineering services and sharing his knowledge of CAD software to others. Toby has an extensive design background as well as being an FSE and AE for HP 3D Printers. Mr. Meier and his family are life long resident of Central Texas. He also owns a successful printing business in Temple for the past 20 years. In Toby’s free time he enjoys boating, golfing and is an avid bowler with multiple honor scores.

Zach Kelley

Mechanical Designer – DM Application Engineer

Mr. Kelley is a mechanical designer and an Application Engineer for Desktop Metal Line of 3D Printers. He holds an Associate’s Degree in Mechanical Drafting and Design. Zach has worked on design projects ranging from customized engagement ring boxes, cast auger bits, underground heavy duty mining equipment, and custom hunting accessories. In his spare time, Zach enjoys playing with his two young boys and spending time in the great outdoors hunting.

Abigail Andrews Profile Photo 2

Ashleigh Andrews

Engineering Intern

Ashleigh Andrews is a Junior Chemical Engineering student at Texas A&M University. While at Texas A&M, she found a passion for 3D modeling and material science, which blends well with 3D printing. In her free time, Ashleigh enjoys playing guitar, hiking, and flying gliders.

Additive Production


Aaron Rawls

Additive Production Manager

Aaron Rawls graduated from Texas Tech University in 2021. He found a passion for 3D Design/printing while working for Texas Tech research in the CISER Department. After college he spent some time working in the Corporate QSR industry in Business Development before making his way back to 3D design. When he is not at work, he can usually be found outside enjoying nature and hunting with his German Pointer Duke.

Zach Busby

Additive Lab Tech

Zach was raised in a small town in Southeast Texas near Beaumont. He is currently working towards his commercial pilot’s license in hopes to one day be a corporate pilot. His introduction to 3D printing came from tinkering with desktop printers with friends in college. In his free time, he enjoys traveling, riding, and working on motorcycles, and spending time with his black lab Sadie.


Colten Jumper

Additive Lab Tech

Colten is a a senior mechanical engineering student at the University of Mary Hardin-Baylor. When he can, he enjoys going to the shooting range, building projects, grilling, and spending time with his fiancé.

Megan McAllister

Additive Lab Tech

Megan McAllister is in her senior year at the University of Mary Hardin-Baylor, majoring in mechanical engineering. She is enjoying increasing her knowledge of 3D printing. In her free time, she enjoys traveling, paddle boarding, and spending time with her mini Australian Shepherd.


Caden Crenshaw

Additive Lab Tech

Caden is a senior engineering student at the University of Mary Hardin-Baylor and found a love for 3D modeling and printing while attending classes. When he is not working or studying he enjoys tinkering, hunting, or spending time with his wife.

Field Service Engineer

Riley Cogdell

Field Service Engineer

Riley is a Field Service Engineer for the HP line of 3D printers. He has a passion for 3D printing with a background in FDM printers. Riley was born and raised on a ranch in the panhandle of Texas where he grew an interest in engineering. Riley graduated from Texas Tech University in 2019 with a degree Mechanical Engineering and a minor in mathematics. In his spare time, Riley enjoys traveling, tinkering with his 3D printers and playing video games


Randall Andrews

Field Service Engineer

Randy Andrews is a 3D Printer Field Service Engineer at Impac Systems Engineering. He has a history of working in the Geographic Information Systems, Oil & Gas, and Information Technology fields. His love of computers and networking started at a young age and continues to this day. Randy spends his free time tinkering with computers and engines in addition to enjoying video games.

Daniel Tosto

Field Service Engineer

Daniel graduated for Texas A&M Corpus Christi in 2021 with a B.S. in Mechanical Engineering. He would always tinker with design and prototypes with a liking to manufacturing. He would discover 3d printing in college beginning a career in the field. When not at work, he would be at home using Cad, gaming or messing with radios.


Ethan Templin

Field Service Engineer

Ethan was born and raised in Michigan, after which he moved to Colorado to attend the University of Denver, where he earned his B.Sc. in Mechanical Engineering. While at DU, Ethan developed a special interest in CAD and 3D printing technologies. When he wasn’t hiking or camping in the Rocky Mountains or trying new food, Ethan spent his free time learning as much as possible about prototyping, electromechanical systems, and machine design. He met his wife at DU, and after graduating and living together in Denver, they now live in Erie, with their Husky, where they hike, cook, and play video games in their leisure time.

Kip Kothmann

Field Service Engineer

Kip Kothmann graduated from Texas Tech University in May 2021 with a degree in Mechanical Engineering and minor in mathematics. While growing up in Lubbock he worked in veterinary medicine on both large and small animal practices as well as IT work on the side. After college he transitioned to the guardrail and roadside safety industry 3D modeling both NCHRP-350 and MASH-2016 compliant guardrail terminal systems. In his free time he enjoys hunting, fishing and team roping.




Sharla Adams

Senior Inside Sales Representative

Sharla is a local, family focused person, having spent her entire life in the Central Texas area. She has a degree in Mathematics and a master’s in Education from Texas A&M University. After 17 years as a high school math teacher, she decided to challenge herself in the corporate world and began a career in sales. She appreciates the technology the 3D printing provides and is fascinated by the growth of the industry. She enjoys using her communication skills from teaching and applying them to build new and fast-growing connections. She enjoys volunteering and spending time with her family but also spends time playing softball and exercising.

Jordan Hall

Inside Sales Representative

My name is Jordan Hall, I'm born and raised in America's Finest city San Diego, CA. I graduated from a Christian university in San Diego, University of Saint Katherine where I got my bachelor's degree in Business Management. My Master's degree was from University of San Francisco, up and down the coast I went. I'm a big sports fan and sports will always be a big part of my life. After working in various different sport leagues, I'm excited to dive in the 3D printing industry.


Joe Salazar

3D Sales Representative

Joe has over 20 years’ experience in technology sales with a focus on customer success. Joe is focused on finding new customers with Additive Manufacturing needs and connecting them with Impac Systems Engineering. Joe moved to TX at the age of 7 and has been in the Austin area since 1985. In his free time Joe is an avid mountain biker and enjoys grilling with family and friends.

Ryan Davis

3D Sales Representative

Ryan has over 10 years of experience in sales and project supervision. Ryan focuses on helping other and creating relationships, volunteering his time at Foster Village. Born in Texas, he grew up near the coast and recently moved to the Austin area. He is an avid golfer and enjoys playing volleyball and softball.


Justin Smart

3D Sales Representative

Justin grew up in St. Louis and moved to Arizona in 96’. Using his 30 years of experience as a Mechanical designer he assists his clients in selecting the correct additive technology for their application. Justin has been using 3D printing to aid manufacturing processes since 1993 and is passionate about its implementation as a production solution. He serves as the co-chair for the Arizona Tech Councils Additive Manufacturing User Group and is frequently asked to present on the topic of 3D printing. In his free time he enjoys trout fishing, snow skiing and playing golf with his wife and son.

Lisa Brown

Senior Sales Executive

Lisa has a major in Engineering Technology, minor in Math, and focused on Manufacturing Processes, Quality Control, Mechanical Engineering with graduate studies in Industrial Engineering and Lean Manufacturing. After some time as a product engineer and QA Manager, she went into Engineering solution’s sales, from CAD and virtual simulation tools to 3D printing solutions. She has more than six years of experience helping customers find best-fit polymer and metal additive manufacturing solutions. She has a passion for helping companies improve overall workflow and processes. Lisa is a native Texan who enjoys time with her family, appreciates time with nature, finds ways to exercise, and likes to accomplish DIY projects.


Timothy Love

3D Sales Representative

Upon being honorably discharged from the US NAVY, Timothy completed his MBA and enjoyed a successful career in the currency and coin processing industry where he rose from being a service technician to Senior National Account Manager where he ran a $38 million dollar per year business segment of his then employer mainly due to his focus on innovation and always putting the customer first. A born and raised Native Oklahoman with a passion for his family, sales, veterans causes, and music, Timothy puts his heart and soul into helping others.


Lizzie Cogdell

Marketing Representative

Lizzie is a maker. She discovered her passion for design while studying Digital Media Design at Texas State Technical College. After graduation, her connections took her into the automotive industry but the innovations of additive manufacturing have since piqued and held her interest. Whenever she can make the time, she enjoys cooking, dancing, concerts, theological conversations, and board games with her loved ones.

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