Situated in Indore, Marshall test labs offer laboratory testing as well as field testing services in the field of building and road materials.For laboratory test purposes they conduct tests on materials such as coarse aggregate, fine aggregate, cement, soil, bitumen, bricks, concrete, rock, steel, water, tiles. Granite and fly ash. Some of the tests undertaken by them include direct shear, triaxial test, compaction test, bend rebend test, physical test, hardness test and many more. They conduct field tests on soil, concrete structure and bituminous pavement and high pavement. Some of these are - standard penetration test, non-destructive test, plate load test, initial/routine test and many more. They ensure that quality services are provided to their clients and hence along with NABL accreditation they have also attained ISO certification of ISO 9001:2008.