At Zaxon, we are well aware that our team of construction estimation professionals is our biggest asset. Our team of highly trained, educated and experiences construction estimation pros with their unparalleled dedication and determination to perform all of our estimating services on time and with the utmost attention to detail. L.Tangra

Sam L. Tengra, CCP, President

BS Mechanical Engineering, MS Management System 

Sam is a Certified Cost Professional with 30 years cost estimating experience. He has estimated over $7 Billion worth projects that include Airport Terminals / Taxiways, Transit Systems, Hospitals, Multifamily Housing, High – Rise Buildings and over 700 Military facilities. As principal of Zaxon, Inc. he provides hands on training in construction estimation and scheduling and oversees all estimating services. Sam has Completed MOD I & MOD II Training in Value Engineering and formal Training in MCACES MII Estimating Software.

Shital Domadia, CCP, PMP

BS Chemical Engineering, MS Environmental Process Design

Ms. Shital Domadia has been with Zaxon Inc. since 2009. She has over 7 years of experience in process & environment design engineering, cost estimation, budgeting, planning and scheduling. She is Certified Cost professional and Project Management Professional. Shital is specialized the following estimating services: electrical; telecommunications; site electrical utilities; Jet Bridge equipment; environmental; and process systems. She is an expert in use of various design and cost estimating software such as MCACES, MII, PACES, SUCCESS, PLANSWIFT and HYSIS. She has to her construction estimation project credit high profile projects for airports, rail stations, toll plazas and various US Army Corps of Engineers projects such as border patrol stations, storage facilities, operations control facilities, schools and hospitals.

Arvind K Kallahally, CCP, PMP

BE Mechanical Engineering, MS Industrial Engineering, MBA Marketing & Operations

Mr. Aravind K Kallahally has over 10 years of experience in the construction & manufacturing Industries. Aravind is responsible for providing an array of estimating services including design submission estimating, validations, and reconciliation. Aravind specializes in HVAC, plumbing, fire protection, site improvements & site civil utilities. Aravind has an extensive experience of handling the construction estimation for over 250 projects which include airports, rail stations, toll plazas, central utility plants, roadways, USACE aircraft hangers, USACE border patrol stations, universities & hospitals. Mr. Aravind is a certified Project Management Professional and Certified Cost Professional.

Amar Thakkar, CCP, PMP

BTech Construction Technology, MTech Construction & Project Management

Mr. Amar Thakkar, a certified Project Management Professional & Cost Professional, has over 11 years of work experience in cost estimation, budgeting, planning, scheduling, and project management. He has worked on highly complex construction estimation and scheduling projects across USA & India. He is an expert in use of contemporary computer software used in cost estimations and project controls. His estimation experience ranges from feasibility studies and concept design to detailed estimate for construction and reconciliation purposes. He specializes estimating services in the architectural and structural disciplines. At Zaxon he has delivered numerous projects of varying magnitudes and of diverse nature, ranging from multibillion dollar Capital Improvement Project for an airport facility to commercial, healthcare, institutional, storage, hangers, border patrol stations, training and various other army facilities for US Army Corps of Engineer.

Tamara Johnston, Project Manager

MS Mechanical Engineering

Ms. Tamara Johnston has over 20 years of experience in manufacturing and project management and 9 years in cost estimation, budgeting, planning and scheduling. Tamara is proficient in MCACES MII, PACES & SUCCESS estimating software. She completed AutoCAD 2000 and Pro/Engineer Wildfire courses and experienced PlanSwift software’s user. Her estimating services experience ranges from feasibility studies and concept design to detailed estimates for construction and reconciliation purposes. Tamara specializes in structural, architectural, electrical, mechanical and site infrastructure. She has delivered numerous construction estimation and scheduling projects for commercial, healthcare, institutional, storage, hangers, border patrol stations, training and other army facilities for US Army Corps of Engineer. Tamara has an extensive estimating services and scheduling experience, handling over 260 projects which include Capital Improvement Projects for airport terminals and new airport constructions such rail station, toll plazas and parking garage.

Jayne Wilks, Marketing Coordinator

Jayne Wilks has more than 20 years of experience as a successful marketing and communications professional. She has served as either the Director of Marketing or Marketing Manager for several companies, where she played a major role in significantly increasing sales leads and creating nationwide recognition for products. Wilks also has an extensive editorial and PR background. While on the east coast, Wilks acted as a marketing consultant where she developed effective marketing tools and strategies for numerous NY clients including the World Trade Center’s Association. She began her career at the Port Authority of NY and NJ, the bi-state authority that oversees most of the regional transportation infrastructure within the Port of New York and New Jersey. At the Port Authority, Wilks held a variety of increasingly responsible positions from Publications Editor to Corporate Communications Specialist. She managed the editing and production of several publications, developed communications programs, wrote speeches for executives, organized events and served as an organization-wide consultant for communications and marketing projects. In addition to her career achievements, Wilks is also a published non-fiction author and due to her success in creating revenue-generating online marketing programs in recent years, Wilks was also asked to contribute to the online marketing strategy book called The INTERNet, by Ann Kaplin. She is also an artist, whose artwork has appeared in galleries in NY and FL. Wilks is a graduate of Douglass College of Rutgers University.