MARS Benefits Service Center Contacts

MARS Benefits Service Center is an online resource and tool for managing employment perks, wellness, retirement and pension plans offered by MARS Inc. The service benefits and perks offered by MARS Inc.to employees which they can manage and review through the MARS Benefits Service Center include:
  • Health and Wellness Programs: Through MARS Benefits Service Center, staff members can apply, review, manage and claim the healthcare benefits and programs offered to active employees and retirees. Employees can apply and claim for healthcare financial and protection coverage plans through the MARS Benefits service center . Moreover, this online tool is also applicable for updating personal information like change address, phone number, password or username/ID. Employees and retirees can use this portal for checking compensations, pay-stubs and pension and retirement saving plans.
  • Employee Service Support Number: For general help regarding the username, account registration, password resetting or update services, contact MARS Benefits service center at 1-877-662-7562 and then press "option 1 > option 1". The service helpline is available in between Monday to Friday: 8:00 a.m. to 6:00 p.m. EST, excluding holidays.
  • Service Appointments: For appointments, contact the Mars, Incorporated (Americas Treasury & Benefits Center) at +1 (973)-691-3500
  • Having queries about the account registration or HR services, email at benefits.us@effem.com.
  • Service Office Location/Address: In-person support can be obtained at 350 Clark Drive, Suite 202, Mount Olive, New Jersey 07828, United States.

State Street Mars Benefits Service Center

The service office is located at 350 Clark Drive, Suite 202, Mount Olive, New Jersey 07828, United States
Phone Support: +1 (973)-691-3500

M&M Mars Benefits Service Center


1600 Broadway, New York City, New York, 10019
+1 (212)-295-3850

MARS Benefits Service Center Phone Number

MARS BenefitsPhone Numbers
Associate Savings Plan/Mars Deferred Compensation Plan 1-800-835-5095
Retiree Life Insurance
Mars Benefits Service Center		 1-877-662-7562 option 1 > option 1
Social Security Administration 1-800-772-1213 / 1-800-325-0778 (TTY)
Retiree Medical 1-877-662-7562 option 1 > option 1
Mars Pension Servicemars-pension-service@willistowerswatson.com
Fidelity Benefits 800-835-5095
Maternity/Parental Leaves 1-877-662-7562 option 6
Flexible Spending Accounts 1-877-662-7562
Vacation and Flexible Holiday accrual Schedule 1-877-662-7562

MARS Benefits Service Office Locations

Select Your State/Country: Employees can get in touch with concerned MARS Benefits Service Center office by selecting the state or country from the listed locations:

MARS Benefits Service Offices in Tennessee

Mars Franklin
+1 (615)-807-4626
315 Cool Springs Boulevard, Franklin, TN 37067, United States

Mars Wrigley U.S., Cleveland
Office Location: 3500 Peerless Road, NW, Cleveland, Tennesse, 37312
+1 (423) 479-8611

MARS Benefits Service Offices in New Jersey

Mars Retail Group - Mount Olive
+1 (973)-691-3500
350 Clark Drive, Suite 202, Mount Olive, New Jersey 07828, United States

Mars Global Services
Office Location: 100 International Drive, Mount Olive, New Jersey, 07828-1808
Office Contact: +1 (973)-691-3500

MARS Benefits Service Office in Virginia

6885 Elm Street, McLean, Virginia, 22101
+1(703) 821-4900

MARS Benefits Service Office in Texas

Mars Wrigley U.S., Waco, 1001 Texas Central Pkwy, Waco, Texas, 76712
+1 (254)-776-2100

MARS Benefits Service Office in Washington

Office Location: 18101 SE 6th Way, Vancouver, Washington, 98687-7586
Office Contact Number: +1 (360)-784-5000

MARS Benefits Service Office in California

Seeds of Change, 2555 Dominguez Hills Drive, Rancho Dominguez, California, 90220
Office Phone Number: +1 (310) 764-7700

MARS Benefits Service Office in Florida

Office Address: M&M's World, Florida Mall, 8001 S Orange Blossom Trail # 1132, Orlando, Florida, 32809
Office Number: +1 407-850-4000

MARS Benefits Service Offices in Georgia

Mars Wrigley U.S., Gainesville
Office Location: 4500 Atlanta Highway, Flowery Branch, Georgia, Georgia, 30542
Phone Number: +1 (770)-967-6181

Mars Wrigley U.S., Albany
209 W. Oakridge Drive, Albany, Georgia, 31707
Office Contact Number: +1 (229) 883-4000

MARS Benefits Service Office in Ohio

Office Location: Mars, Incorporated, 250 W. Court St., Suite 115W, Cincinnati, Ohio, 45202
Office Number: +1(703) 821-4900

MARS Benefits Service Office in Kansas

Office Address: Mars Wrigley U.S., Topeka, 100 Mars Blvd, Topeka, Kansas, 66619
+1 (785)-861-1800

MARS Benefits Service Offices in Illinois

Mars Wrigley U.S., Yorkville
Office Location: 2800 North Route 47, Yorkville, Illinois, 60560
Office Number: +1 (630)-553-4800

Mars Wrigley Engineering Technology Center
Office Address: 1300 N. North Branch, Chicago, Illinois, 60622
+1 (312)-205-2300

MARS Benefits Service Office in New York

Office Location: M&M's World, 1600 Broadway, New York City, New York, 10019
+1 (212)-295-3850

MARS Benefits Service Office in Pennsylvania

Office Address: Mars Wrigley U.S., Elizabethtown, 295 Brown Street, Elizabethtown, Pennsylvania, 17022-2192
Office Phone Number: +1 (717) 367-1500

MARS Benefits Service Office in Arkansas

Office Location: Mars Wrigley U.S., Bentonville, 3070 S. Champions Drive, Suite 105, Rogers, Arkansas, 72758
Office Helpline Number: +1 (479)-254-2100

MARS Benefits Service Office in Minnesota

Office Address: Mars Wrigley U.S., Minneappolis, 800 LaSalle Ave, Suite 1030, LaSalle Plaza, Minneapolis, Minnesota, 55402
Office Contact: +1 (612)-344-4500

MARS Benefits Service Offices in Nevada

M&M's World
Office Location: 3785 S Las Vegas Blvd, Las Vegas, Nevada, 89109
+1 (702)-740-2504

Mars Wrigley U.S. Ethel M
Office Address: 1 Sunset Way, Henderson, Nevada, 89014
+1 (702)-435-2649

MARS Benefits Service Office in Maryland

Mars Symbioscience, 20425 Seneca Meadows Parkway, Germantown, Maryland, 20876
+1 (301) 444-7900

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