Local Solutions
Global Reach

Our Vision

Our vision is to become a versatile vertically integrated manufacturing company, where Safety is paramount, Quality is a given, Technology is cutting edge, Delivery performance is extra-ordinary, Customer Focus is undiluted, and Pricing is optimal. Our single-minded objective is to strive tirelessly to add value to our customers and to pursue the path of excellence.

Our Mission

Sienna’s mission is to be a socially and environmentally responsible house of business generating solutions to meet the world’s needs. We are committed to be a learning organization, responding to the changing needs of time and tide. Our philosophy is entrenched in the stakeholder philosophy of management, that prescribes the upliftment of all stakeholders as we embark on the journey of enterprise.

siena_corp_about_as

About
Sienna

Sienna is a vertical manufacturing company with a product spectrum that spans PCBA Design & Assembly, Wire Harnesses, Magnetics, Electro-Mechanical Integration (EMI), Sheet Metal Fabrication, Machining, Injection Moulded Plastics, complete system integration & product testing.

Our
Presence

Sienna’s people are its greatest asset. With over 2000 employees spread across geographic locations, the company draws on talents drawn from all the disciplines of enterprise, namely Engineering, Manufacturing, Planning, Quality, Supply Chain Management, Logistics, Business Development and Finance.

Global map

Our
Presence

Sienna’s people are its greatest asset. With over 2000 employees spread across geographic locations, the company draws on talents drawn from all the disciplines of enterprise, namely Engineering, Manufacturing, Planning, Quality, Supply Chain Management, Logistics, Business Development and Finance.

Global map

Supply
Chain

Sienna collaborates closely with its supply chain partners in a spirit of mutual evolution. By facilitating cross fertilization of ideas and instilling a sense of values across the supply chain, Sienna serves to lift the entire eco-system.

Program
Management

Sienna programme management focus is to ensure ease of doing business for the customer. With various internal divisions to support a product build, customer has to work only with a program manager to co-ordinate the progress of various subassemblies. Regular updates and tracking on time delivery are the key program management functions

Quality

Our quality system is based on the following foundations – Customer focus, Leadership, People Involvement, Process & System approach, Continual improvement, Factual approach to decision making and Mutually rewarding supplier relationship.

Certifications

Awards

Various divisions at Sienna have bagged international awards over the years from Industry forums. Also, many international customers have awarded BEST SUPPLIER AWARDS to Sienna group which is a testimony of customer focus and establishing a win-win relationship.

atlanta

ATLANTA, GA AND FREMONT CA
LOCATIONS

ISO 9001: 2015
SIENNA CORPORATION

ISO-13485

ISO 13485
SIENNA ATLANTA

Nadcap CMYK PNG

NADCAP
ATS (Metals)
A6

tuv

ISO 9001: 2015
AVALON
All facilities
B7,B8

16949

IATF 16949
AVALON: 2016
PCB & Cables
B7,B8

tuv-144997_1280

AS9100
ATS
(Metals, Plastics, Cables) A6,A7, B7

Tuc1

Management  System
ISO 9001:2015
SIENNA ECAD