Siemens  is Germany based Multi-National Company  and it manufactures Technology Products. Engineering Products. Employee Count 377,000 as on Sep-30-2017. Siemens builds Software Solutions in the areas:

• Building Technologies
• Drive Technology
• Energy
• Healthcare
• Industrial Automation
• Mobility
• Financing
• Consumer Products
• Services
• Software

USA Based Bio-Technology and Healthcare Company. Develops and manufactures Medical Equipment.

Manufactures Aircrafts, Helicoptors, Defense and Space Equipment, Military Equipment with headquarters in Netherland.

USA based Science and Technology innovation company. They manufacture Consumer Products and Healthcare Products manufacturing, diagnostic, reserach and marketing company. They have around 67000 employees as on 2018.

These are the innovative technologies and companies making a difference related to  Danaher Corporation:

With 2017 sales and revenues of $45.462 billion, Caterpillar is the world’s leading manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives. The company principally operates through its three primary segments - Construction Industries, Resource Industries and Energy & Transportation - and also provides financing and related services through its Financial Products segment.

Technology Company with expertise in Space, Aerospace and Defense Technology related Products. Headquarters in Paris, France. 

Manufactures Vehicles and Machinery useful for agriculture, maintain lawn, Constructing Vehicles like Proclainers, Landscaping and Ground Care Vehicles, Forestry Vehicles, Several Types of Engines. Company headquarters in USA.

Technology Company specializing in defense, civil government and cybersecurity solutions with headquarters in USA.

Manufactures Engineering equipment in segments of AUTOMOTIVE OEM, FOOD EQUIPMENT, CONSTRUCTION PRODUCTS, POLYMERS & FLUIDS, TEST & MEASUREMENT AND ELECTRONICS, WELDING with headquarters in USA ans with employee strength of 50000 as on 2017.

Aerospace and Defense based Technology company with headquarters in Virginia, USA. Northrop Grumman is a leading global security company providing innovative systems, products and solutions in autonomous systems, cyber, C4ISR, space, strike, and logistics and modernization to customers worldwide. They have approximately 85,000 employees in all 50 states and in more than 25 countries as on Dec-2018