top of page
Meet the Owners

32 years of GIS and 45 years of IT Experience

PriorIT Consulting, LLC has 32 years of GIS experience from working at Esri in the Development, Product Management and Professional Services Departments and 45 years' experience in the IT industry.  This experience includes working with Esri software and services in a variety of industries. We want to assist enterprise GIS and IT customers throughout the whole process of their Program, not just one-off activities as needed.


We are dedicated to the success and satisfaction of our clients and their staff. Our mission is to provide services, programs, support and training to GIS and IT clients to enable their success, regardless of the size of their company and requirements.

Company Profile
(Best to View in Full Screen Mode)

Meet the Owners

Why Choose PriorIT Consulting?

Company Profile

Tom Pattison

Tom Pattison has worked in the IT industry for over 45 years.  He is President, Founder and co-owner of PriorIT Consulting, LLC providing enterprise level IT services, service programs, support and training for GIS customers.


Previously, Tom worked at Esri corporate headquarters for 26 years in a variety of departments supporting hundreds of national and international customers with successful Enterprise GIS and IT deployments. 

Elena Pattison

Elena Pattison’s background is in Administration.  She is the controlling owner and Chief Financial Officer (CFO) of the company.


Elena recently completed the certification for the Small Business Administration (SBA) Women's Owned Small Business (WOSB) and is finalizing the company’s certification for the 8(A) program.  She  is also the Administrator and manages the day to day operations of the company.

Marble Surface


As the administrator responsible for maintaining our ArcGIS Enterprise, but also busy with other responsibilities, I need focused and efficient ways to ensure our system is robust and operating efficiently. The Enterprise GIS Performance Tuning Class offered by PriorIT Consulting gave me just that edge. The class provided me a host of tools and expert advice that will make my job easier and improve the overall health of our system. The instructor is very experienced and knowledgeable and provides great insights. I highly recommend this class for those looking to get their ArcGIS Enterprise in tip-top shape.

Mark Jackman / Orange County Transit Authority / GIS Administrator

I had the privilege of working with Tom for over 18 years. I met Tom when he worked in Development as the Esri product release manager for IBM AIX platforms. Later Tom transferred to Professional Services and became one of our top senior Enterprise system design consultants. Tom spent several years as group leader of the Enterprise consulting team and guest instructor for Systems Architecture Design Strategies training. For more than 8 years, Tom has led system architecture design support efforts for many of our most challenging customers. His dedication and customer focus is appreciated by a broad spectrum of the GIS community he serves, a tribute to his hard work and demonstrated effectiveness in making positive contributions to customer success.

Dave Peters / Esri (retired) / Manager, Systems Integration

I had the privilege of working with PriorIT Consulting (Tom Pattison) while he was at Esri. Tom is one of the brightest and most dedicated individuals I have ever come across. Extremely customer-focused, Tom has supported a number of large customers including the U.S. Forest Service, Bureau of Land Management and several other large federal agencies. He is a real team player, detail-oriented, and extremely self-sufficient. He was often requested to join other teams within ESRI as well as requested for repeat consulting engagements. Tom would be a tremendous asset to any company who needs to hire him.


Stan Oishi / American LegalNet / Sr. Project Manager & Implementation Consultant

I had the privilege to work with Tom Pattison at ESRI for over four years. Tom has exceptional customer handling and communications skills and deep experience of IT solutions. Tom is a multi-skilled, energetic, highly motivated and intelligent enterprise architect. If you need a highly committed consultant, Tom Pattison of PriorIT Consulting is the right person for you.

Andras Feher / Snowflake Computing / Solutions Architect

I have worked with Tom for over 10 years on building Enterprise GIS system for Esri. Tom has a strong work ethic and is dedicated to helping Esri's customers build successful Enterprise GIS systems. Tom is a great team player and is equally competent as a lead architect on high profile projects where success is imperative. Tom is a strategic thinker, but also is adept at communicating the key details required to make a project successful. These general consulting skills are difficult to find in today's highly specialized marketplace.

Ty Fabling / Fabling Consulting Services / Enterprise Systems Architect; Project Manager

I teamed with PriorIT Consulting (Tom Pattison) on several projects and his work was first class, second to none. Tom is a very detailed oriented I.T, professional who understands all aspects of I.T. Systems industry leader.

David Frye / Frye and Associates / Management Consultant

I have worked with Tom for more than 20 years, both as a co-worker and a customer, and have known him to be a hardworking, diligent, honest and dedicated employee.

John Alsup / South Carolina Electric and Gas / IBM System IT Manager

Tom is a passionate and customer conscious consultant who give his all to ensure success for both his company and the customer.

Jeff DeWeese / Esri Professional Services / Senior Enterprise Solutions Architect

I know Tom as a colleague at Esri for many years. He is a very thorough and methodical professional that never rest until the job is done.

Merrill Lyew / Esri (retired) / Utility Marketing Specialist

bottom of page